The level of non-REM sleep on a polysomnogram just below wakefulness. It is usually brief. It is non-refreshing and non-restorative. Previously named Stage I.
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« Back to Glossary Index
The level of non-REM sleep on a polysomnogram just below wakefulness. It is usually brief. It is non-refreshing and non-restorative. Previously named Stage I.
« Back to Glossary Index