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Acute and chronic effects of opioids on sleep
| Acute Use | Chronic Use | |
|---|---|---|
| REM latency | ← | ← |
| % REM sleep | ← | ← |
| % Light (N1/N2) sleep | ← | ← |
| % Deep (N3) | ← | ← |
| Total sleep time | Unchanged | Unchanged |
| Number of arousals/sleep disturbances | ← | ← |
Abbreviation: REM, rapid eye movement.
