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Correlations between phase angle with demographics, sleep characteristics and evening light exposure
| Age | DLMO | Phase Angle |
Sleep Duration |
Sleep Quality |
Evening Light |
|
|---|---|---|---|---|---|---|
| Age | -- | |||||
| DLMO | 0.31** | -- | ||||
| Phase Angle | −0.17 | −0.42*** | -- | |||
| Sleep Duration | 0.16 | −0.15 | −0.28** | -- | ||
| Sleep Quality | −0.12 | 0.19 | −0.06 | −0.14 | -- | |
| Evening light | 0.30** | −0.001 | −0.09 | 0.02 | 0.03 | -- |
Note.
p< 0.01,
p< 0.001,
DLMO= Dim light melatonin onset time, Phase angle= DLMO to sleep onset,
