How fasting can impact sleep | Peter Attia, M.D. & Matthew Walker, Ph.D.

Partially SupportedErexin release is signaled by fasting and depends on the body's energy balance, independent of the sleep-wake schedule.

Partially SupportedMulti-day fasting can make falling asleep or staying asleep difficult for some individuals.

Partially SupportedErexin is a wake-promoting chemical released by neurons in the hypothalamus that alerts the brain and normally shuts down at night.

Well SupportedSleep restriction therapy for insomnia can lead to a slight increase in sleep quality.

Partially SupportedDuring short-term fasting, increased erection levels may lead to reduced sleep and increased daytime wakefulness.