Table 3.
Differences in Pre-Post Change in Sleep Parameters According to Baseline Sleep Duration
Short Sleep (N=221) | Longer Sleep (N=343) | t-test | ||||
---|---|---|---|---|---|---|
Change | 95% CI | Change | 95% CI | t | p | |
Sleep Latency (min) | −12.8 | (−15.79, −9.81) | −10 | (−12.15, −7.84) | 1.53 | 0.126 |
Wake After Sleep Onset (min) | −36.82 | (−43.48, −30.17) | −22.29 | (−26.79, −17.80) | 3.70 | 0.0002 |
Sleep Efficiency (%) | 10.14% | (8.58%, 11.70%) | 4.29% | (3.44%. 5.15%) | −6.99 | <0.0001 |
Number of Awakenings (#) | −0.49 | (−0.63, −0.35) | −0.36 | (−0.46, −0.25) | 1.58 | 0.115 |
Total Sleep Time (min) | 85.10 | (40.30, 97.18) | 25.51 | (14.41, 36.60) | −6.95 | 1.01 × 10−11 |