| At-home sleep | Laboratory sleep | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |  |  |  | Study 1 | Study 2 | Study 3 | Study 4 | ||||||||
 | BL | RS |  | BL | RS |  | BL | RS |  | BL | RS |  | BL | RS |  |
 | M (SD) | M (SD) | d | M (SD)a | M (SD)a | d | M (SD)a | M (SD)a | d | M (SD) | M (SD) | d | M (SD) | M (SD) | d |
Duration non-REM 1 (minutes) |  28.25 (8.38) | 29.70 (12.37) | 0.137 | 34.3 (12.73) | 18.1 (7.64) | − 1.543 | 20 (7.48) | 7 (3.74) | − 2.198 | 32.93 (11.13) | 19.74 (8.95) | − 1.306 | – | – | – |
Duration non-REM 2 (minutes) |  235.70 (44.77) | 317.78 (58.95) | 1.568 | – | – | – | 175 (33.68) | 193 (33.68) | 0.534 | 257.94 (26.83) | 222.99 (38.28) | − 1.057 | – | – | – |
Duration SWS (minutes) |  86.12 (24.88) | 146.58 (44.00) | 1.532 | 90.4 (19.80) | 136.2 (24.33) | 2.065 | 132b (26.19) | 231b (48.64) | 2.534 | 54.87 (20.70) | 102.13 (44.18) | 1.370 | – | – | – |
Duration REM (minutes) |  68.93 (21.25) | 87.27 (30.97) | 0.689 | – | – | – | 84 (22.45) | 112 (33.68) | 0.978 | 103.99 (23.72) | 100.19 (19.90) | − 0.174 | – | – | – |