sleep deprivation (4)
sleep displacement (3)
onset insomnia
difficulty falling asleep
maintenance insomnia
difficulty returning to sleep
terminal insomnia
waking too early
primary and secondary insomnia
primary: due to internal source (worrying)
secondary: result of other disorders
nightmares
particularly vivid and disturbing dreams that occur during REM sleep
night terrors (3)
restless legs syndrome
persistent feeling of discomfort in the legs and the urge to continuously shift them into different positions
REM behaviour disorder
act out dreams due to failure to inhibit motor signals
somnambulism (sleepwalking)
disorder that involves wandering and performing other activities while asleep
sleep apnea (3)
narcolepsy (4)