This is called
advanced sleep phase syndrome.
Advanced Sleep Phase Disorder: This condition involves falling asleep several hours earlier than most people — and feeling wide awake before sunrise.
In
advanced sleep phase syndrome, patients wake early in the morning and have trouble staying awake in the evenings.
Not exact matches
Fu's team examined a large family that suffers from a rare syndrome called familial
advanced sleep -
phase syndrome, which sets their
sleep schedules ahead by about 4 hours.
Advanced / delayed
sleep phase syndrome Symptoms: Sleep patterns occur before or after the times that most people s
sleep phase syndrome Symptoms:
Sleep patterns occur before or after the times that most people s
Sleep patterns occur before or after the times that most people
sleepsleep.
On the other hand, if you find you're waking up too early in the morning or have
advanced sleep -
phase syndrome, you may need more light late afternoon and could try taking a walk outdoors or light therapy for two to three hours in the evening.
Phase - dependent effect of room light exposure in a 5 - h
advance of the
sleep - wake cycle: implications for jet lag.