1   | Different sleep schedule |
|
|
120 |
73% |
|
|
109 |
66% |
3   | Diet variations |
|
|
71 |
43% |
|
|
28 |
17% |
5   | Temperature changes |
|
|
67 |
41% |
6   | Altitude or barometric pressure changes |
|
|
88 |
53% |
7   | Bright or flickering lights |
|
|
76 |
46% |
8   | Extreme heat/cold |
|
|
49 |
30% |
9   | Change in routine |
|
|
93 |
56% |
| Other, Please Specify |
|
31 |
19% |