11 Reasons You Wake Up At Night

Thyroid problems

An overactive or underactive thyroid gland could be setting off a domino effect of hormone imbalances that make it hard to fall asleep or stay asleep. “When a thyroid is overactive, your heart races, your adrenaline surges, and you can have insomnia and anxiety,” says Amy Myers, M.D., medical director of Austin UltraHealth and author of The Thyroid Connection. When the gland is underactive, a condition that becomes more common after age 50, you’re up to 35% more likely to have sleep apnea