Question

List all the stages of sleep and the significance of each.​

Answer 1

Stages Type of Sleep Other Names Normal Length

Stage 1 NREM N1 1-5 minutes

Stage 2 NREM N2 10-60 minutes

Stage 3 NREM N3, Slow-Wave Sleep (SWS), Delta Sleep, Deep Sleep 20-40 minutes

Stage 4 REM REM Sleep 10-60 minutes