Table 1.
Participant-level descriptive statistics of data used in analyses.
| Participant | Daily observations | Sleep duration (min), mean (SD) | Sleep quality (1-5 Likert scale), mean (SD) | Stress (1-5 Likert scale), mean (SD) |
| P1a | 119 | 493.22 (101.89) | 3.59 (0.64) | 1.36 (0.74) |
| P2 | 212 | 412.08 (84.57) | 2.50 (0.68) | 2.95 (0.82) |
| P3 | 156 | 404.03 (68.81) | 2.48 (0.55) | 2.89 (0.93) |
| P4 | 200 | 425.20 (82.42) | 2.64 (0.69) | 3.15 (0.42) |
| P5 | 200 | 387.76 (58.32) | 3.14 (0.74) | 2.23 (1.14) |
| P6 | 147 | 379.29 (139.37) | 2.65 (1.12) | 3.85 (1.14) |
| T1b | 147 | 464.92 (96.66) | 3.81 (0.94) | 2.76 (1.06) |
| T2 | 212 | 460.47 (82.68) | 3.08 (0.62) | 3.16 (0.83) |
| T3 | 139 | 415.09 (114.00) | 2.61 (0.71) | 3.59 (0.82) |
| T4 | 103 | 349.96 (89.02) | 2.81 (0.83) | 1.69 (1.09) |
| T5 | 189 | 446.40 (60.47) | 3.33 (0.62) | 2.51 (0.83) |
| T6 | 199 | 465.13 (76.76) | 3.07 (0.63) | 2.68 (0.77) |
| T7 | 131 | 389.17 (56.96) | 3.06 (0.91) | 1.95 (1.19) |
| T8 | 173 | 402.33 (108.91) | 2.87 (0.49) | 2.69 (0.63) |
| T9 | 102 | 448.53 (144.97) | 2.95 (0.79) | 1.98 (1.01) |
| T10 | 208 | 432.88 (114.48) | 2.71 (0.73) | 3.07 (1.11) |
| T11 | 173 | 373.92 (94.30) | 2.62 (0.73) | 2.77 (0.78) |
| T12 | 87 | 475.03 (75.76) | 2.83 (1.00) | 3.57 (1.14) |
| T13 | 214 | 441.09 (73.22) | 2.49 (0.56) | 3.25 (0.70) |
| T14 | 84 | 454.23 (100.68) | 3.40 (0.62) | 2.52 (0.81) |
| T15 | 98 | 412.93 (64.32) | 2.57 (0.66) | 3.41 (0.87) |
| T16 | 152 | 414.31 (127.89) | 2.70 (0.66) | 3.08 (0.83) |
| T17 | 191 | 440.73 (74.20) | 3.06 (0.50) | 1.37 (0.68) |
| T18 | 92 | 385.57 (70.90) | 3.09 (0.51) | 2.87 (0.63) |
| T19 | 199 | 464.09 (74.95) | 2.87 (0.44) | 2.94 (0.59) |
| T20 | 192 | 497.65 (77.78) | 3.69 (0.58) | 2.30 (0.95) |
| T21 | 199 | 390.89 (82.58) | 3.36 (0.76) | 2.85 (1.05) |
| T22 | 126 | 464.25 (84.70) | 3.33 (0.90) | 2.53 (1.04) |
| T23 | 84 | 418.65 (73.60) | 2.87 (0.62) | 3.39 (0.79) |
| T24 | 148 | 482.32 (81.06) | 3.19 (0.87) | 2.01 (0.77) |
| T25 | 191 | 406.52 (95.58) | 2.70 (0.78) | 3.47 (1.00) |
| T26 | 205 | 446.68 (64.03) | 3.01 (0.10) | 2.94 (1.14) |
| T27 | 177 | 443.10 (114.21) | 3.16 (0.82) | 3.28 (0.76) |
| T28 | 209 | 409.12 (65.85) | 2.92 (0.59) | 2.67 (0.91) |
| T29 | 197 | 429.07 (74.85) | 3.00 (0.47) | 1.68 (0.88) |
| T30 | 195 | 396.16 (62.76) | 2.67 (0.59) | 2.85 (1.05) |
| T31 | 205 | 388.53 (94.91) | 2.82 (0.83) | 2.52 (0.71) |
| T32 | 117 | 397.49 (118.98) | 2.61 (0.86) | 3.73 (1.10) |
| T33 | 114 | 383.05 (135.02) | 2.65 (0.89) | 2.09 (1.27) |
| T34 | 206 | 436.76 (80.84) | 2.88 (0.73) | 2.43 (0.89) |
| T35 | 207 | 461.99 (71.50) | 3.08 (0.78) | 3.16 (1.23) |
| T36 | 188 | 470.90 (86.02) | 3.36 (0.80) | 2.70 (1.10) |
| T37 | 180 | 423.49 (78.52) | 3.41 (0.63) | 2.21 (0.85) |
| T38 | 139 | 409.22 (132.79) | 2.56 (0.85) | 3.39 (0.82) |
| T39 | 114 | 414.25 (99.79) | 2.74 (0.67) | 2.25 (1.07) |
| T40 | 102 | 483.04 (53.83) | 3.37 (0.53) | 2.84 (1.24) |
| T41 | 136 | 429.99 (91.77) | 2.34 (0.67) | 3.54 (0.74) |
| T42 | 193 | 416.79 (95.16) | 3.26 (0.80) | 1.21 (0.46) |
| T43 | 166 | 464.57 (116.07) | 3.04 (0.35) | 2.23 (0.82) |
| T44 | 179 | 456.01 (67.63) | 3.34 (0.74) | 1.96 (1.03) |
| T45 | 197 | 474.08 (64.90) | 2.99 (0.60) | 1.18 (0.54) |
| T46 | 203 | 478.48 (70.13) | 1.99 (0.58) | 2.35 (1.01) |
| T47 | 178 | 382.32 (78.80) | 3.54 (0.72) | 1.79 (0.95) |
| T48 | 189 | 406.65 (103.77) | 2.81 (1.00) | 2.17 (1.36) |
| T49 | 171 | 444.64 (87.14) | 2.91 (0.86) | 1.90 (1.11) |
aIDs starting with “P” indicate pilot sample participants.
bIDs starting with “T” indicate target sample participants.