It’s the middle of the night and you lie awake in bed looking at the clock, trying to count sheep or do whatever it takes to fall asleep. The inability to fall or stay asleep—even though you’re tired—can put a damper on your energy, mood and health.
Insomnia is the most common sleep disorder, one that roughly one-third of us experience at one time or another. A recent review published in Physiological Reviews explains that insomnia often goes along with other health conditions, including other sleep disorders such as sleep apnea. The review highlights what’s happening in the brain to make you not be able to sleep.