From: Nocturnal sleep, daytime sleepiness, and quality of life in stable patients on hemodialysis
Problem | Subjective (prior six months) | Objective (one night of PSG and daytime MSLT) |
---|---|---|
Insufficient sleep | Amount of sleep typically obtained | Total sleep time |
Insomnia/Sleep Fragmentation | Difficulty: | Â |
 | • Falling asleep | Nocturnal sleep latency |
 | • Staying asleep | Sleep efficiency |
 | • Early morning awakenings | Arousals |
 | • Unrefreshing sleep |  |
Daytime sleepiness | Frequency of daytime napping | Nocturnal sleep latency |
 | Epworth Sleepiness Scale | Multiple Sleep Latency Test |
Periodic Limb Movement Disorder | Waking from legs kicking | Periodic limb movements/hour |
Sleep Apnea Syndrome | Waking from gasping/choking | Apneas/hour |