Table: Quarterly Average Sleep Metrics (Per Participant, 2023–2024)

Characteristic	2023-Q1 N = 471	2023-Q2 N = 2141	2023-Q3 N = 3981	2023-Q4 N = 3131	2024-Q1 N = 2551	2024-Q2 N = 2251	2024-Q3 N = 1731	2024-Q4 N = 1271
duration	19,800,726 (5,638,404) | 20,434,000 [18,242,927, 23,735,422]	21,466,926 (6,101,467) | 22,730,000 [17,542,500, 25,388,571]	20,640,947 (5,523,632) | 21,111,500 [17,971,667, 24,205,000]	20,141,733 (6,645,177) | 20,793,333 [16,731,940, 23,724,923]	19,338,601 (6,093,138) | 20,160,000 [16,093,846, 23,502,500]	19,587,622 (6,285,976) | 20,610,000 [15,380,000, 23,841,818]	20,239,726 (6,838,031) | 21,018,947 [16,158,947, 24,739,412]	19,680,448 (6,998,597) | 20,413,846 [15,300,000, 24,180,000]
efficiency	91.6 (9.0) | 93.6 [91.6, 94.4]	91.8 (6.7) | 92.7 [91.3, 94.3]	91.4 (6.6) | 92.5 [90.8, 93.9]	91.1 (8.3) | 92.5 [91.1, 94.0]	90.3 (9.7) | 92.1 [90.5, 93.7]	90.7 (9.9) | 92.6 [91.1, 94.3]	90.7 (10.2) | 93.0 [91.2, 94.2]	90.0 (11.9) | 92.3 [90.7, 94.5]
minutes_asleep	291 (82) | 297 [263, 344]	315 (89) | 326 [262, 371]	302 (82) | 308 [263, 352]	295 (100) | 305 [246, 344]	282 (88) | 294 [236, 340]	286 (90) | 297 [229, 347]	297 (99) | 303 [238, 358]	288 (103) | 297 [220, 351]
minutes_awake	39 (16) | 39 [33, 49]	42 (17) | 44 [31, 52]	41 (15) | 42 [33, 50]	40 (16) | 41 [30, 51]	40 (17) | 41 [29, 51]	40 (17) | 41 [29, 50]	40 (18) | 41 [30, 51]	39 (18) | 41 [26, 52]
minutes_to_fall_asleep	0.0350 (0.1717) | 0.0000 [0.0000, 0.0000]	0.3772 (2.1982) | 0.0000 [0.0000, 0.0000]	0.5532 (4.2319) | 0.0000 [0.0000, 0.0000]	0.0824 (1.0055) | 0.0000 [0.0000, 0.0000]	0.2180 (1.8151) | 0.0000 [0.0000, 0.0000]	0.0870 (0.8508) | 0.0000 [0.0000, 0.0000]	0.1242 (0.9539) | 0.0000 [0.0000, 0.0000]	0.0839 (0.9454) | 0.0000 [0.0000, 0.0000]
time_in_bed	330 (94) | 341 [304, 396]	358 (102) | 379 [292, 423]	344 (92) | 352 [300, 403]	336 (111) | 347 [279, 395]	322 (102) | 336 [268, 392]	326 (105) | 344 [256, 397]	337 (114) | 350 [269, 412]	328 (117) | 340 [255, 403]
1 Mean (SD) | Median [Q1, Q3]