Stage 1 Sleep
Stage 1 sleep
The deepest stage of sleep is REM or Rapid Eye Movement.
There is alpha or stage one sleep, theta or stage two sleep, delta or statge 3 sleep, and alpha with REM (stage 4 sleep).
You return to stage 3, then stage 2 (delta sleep) before going to REM sleep (stage 5).
You return to stage 3, then stage 2 (delta sleep) before going to REM sleep (stage 5).
You return to stage 3, then stage 2 (delta sleep) before going to REM sleep (stage 5).
3,4. Both stages are now combined and are just called stage 3, SWS ( slow wave sleep) or deep sleep. Stage 3 is the deepest stage.
Stage 1, then 2, then 3, then 4, then REM, then back to 4, 3, 2, 1...
Delta sleep is the first sleep to be made up after sleep has been lost. Stage 4 sleep.
stage 2 sleep
Stage 1
Sleep paralysis typically occurs during the stage of sleep known as REM (rapid eye movement) sleep.