Cicircadian Rhythm Disordernsomnia
– Delayed Sleep Phase Syndrome (fall asleep late, difficulty waking up on time)
– Advanced Sleep Phase Syndrome (fall asleep early, wake up too early)
– Shift work sleep disorder
– Jet lag/rapid time zone change
Insomnia is caused by a disruption in sleep patterns caused by a disruption in the ‘internal body clock.’ Circadian rhythm sleep disorders are classified as follows: Delayed Sleep Phase Disorder (DSPD) is a sleep disorder that occurs when the (common in teenagers and youngsters that results in “falling asleep late”) Advanced Sleep Phase Disorder (“waking up too early” (2am-5am) or early evening (6pm-9pm)), Jet Lag (“difficulty waking up on time” owing to new time zone), “Shift Work Sleep Disorder” (working shifts), Nacrolepsy (excessive daytime sleepiness and “falling asleep early”). Depending on the type of disease, different therapies are available.
"True silence is the rest of the mind, and is to the spirit what sleep is
to the body, nourishment and refreshment."
~ William Penn