1.Previous
3.Next

have been fully awake. During the transition into stage-1 sleep, it is common to experience hypnic jerks. Hypnagogic hallucinations are often associated with this stage.
* Stage 2 - no eye movement occurs, and dreaming is very rare. The sleeper is quite easily awakened. EEG recordings tend to show characteristic "sleep spindles", which are short bursts of high frequency brain activity, and "K-complexes"

1.Previous
3.Next