Also known as: sleep regularity, consistent bedtime, regular sleep schedule, Sleep Regularity Index, social jetlag, social jet lag, sleep timing regularity
Strongest in Recency (98). Held back by Study quality (73).
Solid mix of RCTs with some methodological gaps.
Confirmed across many independent studies with significant findings.
Tens of thousands of participants pooled across studies.
Studies agree on direction of effect.
Most studies are recent (last 2-3 years).
Effect-size tagged on 18 of 20 claims for this habit. Our research updates daily; remaining claims are pending re-processing.
Areas where research points to a consistent direction of effect. The strength of evidence is graded; the size of the effect is not quantified.
Going to bed and waking up at the same time every day, including weekends. Sleep regularity is a stronger predictor of mortality and mood than total sleep time alone.
ProtocolEngine provides general health information based on published research. This is not medical advice. Consult a healthcare professional before starting any supplement or health protocol.
Within the iCBT intervention group, pain scores did not significantly differ between post-intervention and follow-up assessments (SMD=-0.27, 95% CI -0.73 to 0.19).
Exercise combined with cognitive behavioral therapy (EX+CBT) ranked highest for improving Pittsburgh Sleep Quality Index (PSQI) among exercise-based combination interventions for insomnia.
Walking produced a medium-to-large improvement in subjective sleep quality compared with inactive or non-aerobic controls (Hedges' g = -0.76).
Fitbit-based interventions did not significantly increase sleep duration (MD 19.64 min/day, p=0.07).
Exercise improved sleep scores in overweight sedentary adults with insomnia (Hedges' g = 0.27, 95% CI 0.04-0.51).