Weekend Screen Drift Tracker
How far weekend screen time drifts above the school-day baseline, and what it costs on Monday.
Weekend days at 5.5 and 4.5 hours against a 2.5-hour school day is exactly double, putting 44% of a 22.5-hour week into two days — and the recoverable cost is the sleep timing shift rather than the hours.
Weekend Screen Drift Tracker
Frequently asked
What is social jetlag?
The mismatch between sleep timing on free days and on scheduled days. It is a described phenomenon in sleep research and is associated with poorer mood, attention and daytime functioning even when total sleep is adequate.
Is weekend drift a problem?
Some is normal and expected — weekends contain more discretionary time. What matters more is whether bedtime and wake time drift with it, because that is the part Monday pays for.
How do I reduce the Monday cost?
Hold Sunday night closer to the school-night pattern even if Saturday is loose. Sleep researchers consistently point at the last night before a scheduled day as the one worth protecting.
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