Stretching your hip flexors in bed is not a compromise or a lazy alternative to proper stretching. For many people it is actually the most practical and effective approach, and for some it is the most important stretch they can do.
The hip flexors are at their tightest first thing in the morning after 6 to 8 hours in a curled or still position. Performing gentle hip flexor stretches before getting up starts the day with immediate relief from that characteristic morning stiffness and begins reversing the accumulated tightness from sleep and the previous day of sitting.
For older adults, those recovering from surgery, people with lower back pain, and anyone who struggles to get comfortably to the floor, bed-based stretching removes the barriers that prevent regular practice entirely.
This guide covers the best hip flexor stretches specifically designed for a bed surface, the adjustments needed to work with mattress softness rather than against it, and a complete morning and evening routine.
Why the Bed Is a Useful Stretching Surface
A bed has different properties from a floor or yoga mat, and understanding these differences helps you get the most from bed-based stretching.
Softness and give: A mattress surface absorbs some of the body’s weight and provides more give than a firm floor. This makes certain positions more comfortable, particularly for people with bony prominences or joint sensitivity. However, it also means that some stretches require slight adjustment in positioning to maintain alignment.
Height: The height of a bed makes it significantly easier to get onto and off without the demands of lowering to and rising from floor level. For older adults, those with knee or hip replacements, and people with lower back conditions, this makes a significant practical difference to whether stretching actually happens consistently.
Warmth: The warmth retained in bedding means the muscles are slightly warmer than they would be on a cool floor surface, which can make the initial stretching sensation more comfortable.
The morning advantage: The hip flexors are neurologically and physically at their tightest first thing in the morning. Addressing this tightness immediately, before standing and loading the hip in a shortened position, sets the tone for the day and reduces the cumulative effect of daily tightness.
Stretches That Work Well in Bed
1. Supine Knee to Chest Stretch
Target muscles: Iliopsoas, lower back extensors, and posterior hip.
Purpose: The gentlest starting point for morning hip stretching, this stretch releases both the hip flexors and the lower back simultaneously and is appropriate even for those with significant stiffness or sensitivity.
How to do it:
- Lie on your back on the bed with legs extended
- Slowly bend one knee and draw it toward your chest, holding behind the thigh or the shin depending on which is more comfortable
- Keep the other leg as flat as possible against the bed
- Hold for 30 to 45 seconds, breathing steadily
- Release slowly and repeat on the other side
- Perform 2 repetitions per side
Bed-specific note: On a softer mattress, the flat leg may sink slightly, which can cause a mild lower back arch. If this feels uncomfortable, place a pillow under the knee of the flat leg to support a slight bend.
Key cue: The stretch should be felt in the hip and lower back of the drawn-in leg. If you feel pressure at the front of the bent knee, hold behind the thigh rather than the shin.
2. Supine Hip Flexor Stretch (Psoas Release Position)
Target muscles: Iliopsoas, with particular emphasis on the psoas.
Purpose: This position directly targets the psoas by allowing the hip to extend passively while the lower back is supported. It is one of the most effective passive psoas stretches and works particularly well on a bed surface.
How to do it:
- Lie on your back near the edge of the bed
- Allow one leg to hang off the side of the bed, letting gravity draw it downward
- Keep the other knee bent with the foot flat on the bed to protect the lower back
- Allow the hanging leg to drop as far as is comfortable, feeling the stretch at the front of the hanging hip
- Hold for 60 to 90 seconds, breathing slowly
- Use the bent knee leg to gently pull yourself back onto the bed, then switch sides
Bed-specific note: The height and softness of the mattress edge affects this stretch significantly. A higher bed creates a greater range of hip extension as the leg hangs. A lower bed reduces the range. Adjust by starting with a smaller range and building gradually.
Key cue: The lower back should remain in contact with the bed surface throughout. If it arches significantly as the leg hangs, draw the opposite knee slightly more toward the chest to flatten the back.
3. Reclined Figure Four Stretch
Target muscles: Piriformis, external hip rotators, and posterior gluteus medius.
Purpose: Releases the posterior hip tightness that frequently accompanies hip flexor tightness. This is a very comfortable stretch to perform in bed as the mattress supports the entire body weight.
How to do it:
- Lie on your back with both knees bent, feet flat on the bed
- Cross one ankle over the opposite thigh, just above the knee
- Flex the crossed foot firmly
- Either hold this position for the stretch or thread the hand through the gap between the legs and pull the bottom thigh gently toward the chest
- Hold for 60 to 90 seconds per side
- Repeat 2 to 3 times
Bed-specific note: On a soft mattress, the supporting foot may sink, reducing the leverage of the stretch. Place the supporting foot on a firmer part of the mattress near the headboard, or press the foot against the headboard itself for a more stable base.
Key cue: The stretch should be felt in the outer hip and buttock of the crossed leg. If you feel it in the knee, increase the flex of the crossed foot.
4. Side-Lying Quad and Hip Flexor Stretch
Target muscles: Rectus femoris and iliopsoas through the combined action of knee flexion and hip extension.
Purpose: The side-lying position is ideal for a bed surface because the mattress fully supports the body, removes balance demands, and allows a sustained, comfortable hold.
How to do it:
- Lie on your side with hips stacked
- Bend your top knee and reach back to hold the ankle or shin
- Gently draw the heel toward the glutes
- Push the top hip slightly forward to add the hip extension component to the stretch
- Keep both knees in line, the top knee should not drift forward of the bottom knee
- Hold for 45 to 60 seconds per side
Bed-specific note: On a soft mattress, the bottom hip may sink and cause the hips to unstuck. Place a pillow between the knees if this makes the position more stable and comfortable.
Key cue: The stretch should be felt along the front of the thigh and at the front of the hip. If you only feel it at the knee, reduce the heel pull and focus on the hip pushing forward.
5. Prone Hip Flexor Stretch
Target muscles: Iliopsoas and rectus femoris through a lying face-down position.
Purpose: The prone position fully relaxes the hip flexors before the stretch begins, which allows them to lengthen more effectively than positions where they are working to hold the body up.
How to do it:
- Lie face down on the bed with legs extended
- Bend one knee and reach back to hold the ankle
- Keep the hips pressed into the mattress
- Gently draw the heel toward the glutes until you feel the stretch along the front of the thigh
- Hold for 45 to 60 seconds per side
Bed-specific note: The softness of a mattress can make maintaining hip contact more difficult in the prone position. If the hip lifts significantly before a stretch is felt, reduce the range and focus on keeping the hip grounded rather than increasing the knee bend.
Key cue: The hips must stay in contact with the mattress. The moment a hip lifts, the stretch moves from the quad and hip flexor to the lower back.
6. Supine Butterfly With Hip Flexor Engagement
Target muscles: Hip flexors, adductors, and anterior hip capsule.
Purpose: The butterfly position with a pillow under the lower back slightly extends the hip while the legs are in an open position, creating a gentle passive stretch for the entire hip flexor complex with no active effort required.
How to do it:
- Lie on your back with knees bent and the soles of the feet together, allowing the knees to fall open to each side
- Place a firm pillow or folded blanket under the lower back to create a gentle arch
- Allow gravity to gradually open the hips
- Hold for 60 to 90 seconds, breathing slowly
- The stretch should deepen gradually with each exhale
Bed-specific note: This position works very well on a mattress because the softness of the surface allows the knees to sink slightly, deepening the opening of the hips over time.
Key cue: This is an entirely passive stretch. Do not press the knees down or force the opening. Allow gravity and the breath to do the work over the full hold time.
7. Seated Edge of Bed Hip Flexor Stretch
Target muscles: Iliopsoas and rectus femoris of the back leg.
Purpose: This stretch uses the edge of the bed to achieve a kneeling-style hip flexor stretch without going to the floor, making it accessible for those who cannot kneel on a hard surface.
How to do it:
- Sit on the very edge of the bed
- Slide one foot backward along the floor until the knee drops toward the ground, resting the knee on a folded towel or cushion on the floor
- Keep the other foot flat on the floor in front with the knee at 90 degrees
- Sit tall and gently shift the hips forward to feel the stretch at the front of the back hip
- Hold for 45 to 60 seconds per side
Bed-specific note: The height of the bed determines how this stretch feels. A standard bed height allows the back knee to rest on the floor comfortably. A very high bed may require a cushion under the back knee.
Key cue: Keep the torso upright. Leaning forward reduces the hip extension component and significantly reduces the effectiveness of the stretch.
A Structured Morning Bed Routine (8 to 10 minutes)
Performing this routine before getting out of bed addresses the tightness accumulated during sleep and prepares the hip flexors for the load of standing and walking.
On waking, before getting up:
- Supine knee to chest stretch: 2 x 30 seconds per side
- Reclined figure four stretch: 60 seconds per side
- Supine butterfly with pillow: 90 seconds
- Side-lying quad and hip flexor stretch: 45 seconds per side
Total time: 8 to 10 minutes
Getting up after the routine: Roll onto your side first, push yourself up to sitting using your arms, and sit on the edge of the bed for 10 to 15 seconds before standing. This gradual transition prevents the dizziness that can accompany sudden position changes and gives the hip flexors a moment to adjust from the stretched position to upright loading.
A Structured Evening Bed Routine (10 minutes)
Performing hip flexor stretches in the evening addresses the accumulated tightness from the day’s sitting and movement and prepares the hip flexors for the night ahead.
Before sleep:
- Supine psoas release position: 90 seconds per side
- Prone hip flexor stretch: 60 seconds per side
- Reclined figure four stretch: 90 seconds per side
- Supine butterfly with pillow: 2 minutes
Total time: 10 minutes
What to Expect and How to Progress
Week 1 to 2: The morning routine will feel stiff initially. The hip flexors are at their tightest after sleep and the first sessions may not feel as effective as later ones. The key is consistency rather than depth.
Week 3 to 4: Morning stiffness should noticeably reduce. The stretches will feel less intense as the hip flexors begin to lengthen and the morning tightness pattern reduces.
Week 5 to 6 and beyond: Most people find the morning routine becomes genuinely pleasant rather than effortful as the hip flexors adapt. This is the point at which hold times can be extended and additional stretches added.
Progression: Once the basic routine feels comfortable, add the seated edge of bed stretch and the side-lying stretch with a greater range of motion. Gradually extend hold times from 45 to 60 seconds toward 90 seconds as flexibility improves.
Frequently Asked Questions
Is stretching in bed as effective as stretching on the floor? For the specific stretches in this guide, yes. The key difference is surface firmness, which affects some positions more than others. The bed-specific adjustments described for each stretch account for this. For people who would not otherwise stretch at all due to difficulty getting to the floor, bed-based stretching is significantly more effective than no stretching.
Should I stretch before or after getting up in the morning? Both have value but for different reasons. Stretching before getting up addresses tightness in the most relaxed state, when the muscles are warm from sleep and not yet loaded by standing. Stretching after a brief walk is more effective for tissue pliability. If time allows, a brief routine before rising followed by a slightly more intensive routine after 5 minutes of walking is ideal.
Can bed-based hip flexor stretches help with lower back pain? Yes, for many people. Tight hip flexors are a significant contributor to lower back pain through anterior pelvic tilt and lumbar compression. The morning routine in particular, performed before loading the spine by standing, can meaningfully reduce the lower back discomfort that many people experience first thing in the morning.
How soft is too soft for bed-based stretching? Very soft mattresses that create significant sinkage can make it difficult to maintain alignment in some positions, particularly the prone stretch and the supine psoas release. If alignment is significantly compromised, place a firm yoga mat or folded blanket on top of the mattress to create a more stable surface for those specific stretches.
Is it safe to do these stretches after a hip replacement? Some of these stretches are appropriate after hip replacement and some are not, depending on the approach used during surgery and the stage of recovery. Always follow your surgeon and physiotherapist’s specific guidance regarding hip precautions after replacement surgery. Do not begin any new stretching routine after hip replacement without clearance from your surgical team.