Sleep During Pregnancy: Best Positions, Tips & What to Wear

Good sleep during pregnancy can feel like a cruel joke — the one time you need rest most is often the hardest time to get it.

A note of care: This is general wellness guidance, not medical advice. Talk to your provider about persistent sleep problems or symptoms like loud snoring or breathing pauses.

Why Sleep Changes During Pregnancy

Hormonal shifts, a growing uterus, increased blood volume, and a busy mind all conspire against restful sleep. Small adjustments can make a meaningful difference.

The Best Sleep Position During Pregnancy

Side sleeping — especially the left side

Once your bump grows, sleeping on your side is recommended. The left side may improve blood flow to your heart, kidneys, and baby.

Why to avoid back sleeping later on

Lying flat on your back in later pregnancy can put pressure on the vena cava. If you wake up on your back, just roll to your side.

Making side sleeping comfortable

• Place a pillow between your knees to align your hips
• Tuck a wedge under your bump for support
• Use a full-length pregnancy pillow

Tips for Better Pregnancy Sleep

1. Keep a consistent bedtime routine.
2. Limit fluids in the evening (while staying hydrated during the day).
3. Manage heartburn by eating earlier and propping your upper body slightly.
4. Keep your room cool and dark.
5. Move during the day (with your provider's okay).
6. Ease a racing mind with journaling or breathing exercises.
7. Nap wisely — short early-afternoon naps.

What to Wear for Better Sleep

• Breathable natural fabrics (cotton, bamboo, modal)
• Loose, non-binding cuts
• Stretchy, forgiving waistbands
• Nursing-friendly designs so third-trimester sleepwear carries into postpartum

See our nursing-friendly clothing guide.

When Sleep Problems Need a Closer Look

Talk to your provider if you experience loud, persistent snoring, gasping or pauses in breathing, severe restless legs, or exhaustion that doesn't improve with rest.