Table 2 The seasonal pattern of episodes in twins with bipolar disorder.
From: Seasonal changes, sleep length and circadian preference among twins with bipolar disorder
Season | Episodes | ||
|---|---|---|---|
depressive | manic | total | |
Autumn | 20 | 42 | 62 |
Winter | 13 | 29 | 42 |
Spring | 7 | 36 | 43 |
Summer | 8 | 46 | 54 |
Total | 48 | 153 | 201 |