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 IndexThe 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