Table 2.
Study Design
| PHASE | STUDY DAY | DURATION (days) | TIME IN BED (h) | MEASURES |
|---|---|---|---|---|
| At-home | — | 14 | “Usual” | actigraphy, sleep diary, call-in |
| In-Laboratory | ||||
| OVERNIGHTS | O1-O7 | 7 | Extended (10) or Habitual | actigraphy, sleep diary |
| Full-time In-Laboratory, | ||||
| BASELINE | B | 1 | Extended (10) or Habitual | actigraphy, PSG, PVT, MWT, SSS |
| Full-time In-Laboratory, | ||||
| RESTRICTION | SR1-SR7 | 7 | 3 | actigraphy, PSG, PVT, MWT, SSS |
| Full-time In-Laboratory, | ||||
| RECOVERY | R1-R5 | 5 | 8 | actigraphy, PSG, PVT, MWT, SSS |
Abbreviations: TIB = time in bed; PSG = polysomnogram; PVT = Psychomotor Vigilance Task; MWT = maintenance of wakefulness; SSS = Stanford Sleepiness Scale