Stop on the right sleep stage

Exercise and reference answers

Questions

1. Answer

   NREM stage 1

   Question

   The first stage of NREM sleep.

2. Answer

   NREM stage 2

   Question

   Theta waves broken by spindles and K-complexes.

3. Answer

   NREM stage 3

   Question

   Deep or slow-wave sleep, with delta waves.

4. Answer

   REM sleep

   Question

   The phase that is not NREM at all.

Choices

1. NREM stage 1
2. NREM stage 2
3. NREM stage 3
4. REM sleep

Instructions

Tap once to start the sweep, then tap again to stop it on the right stage.

Explanation