Late-Night Phone Use
Scrolling or using a smartphone in bed before sleep, disrupting sleep architecture and mental well-being.
Why this habit matters
- Productivity: Poor sleep impairs executive function, reaction time, and creative problem-solving by 20–40%.
- Health: Suppresses melatonin by up to 53%, disrupting circadian rhythms and causing chronic sleep debt.
- Mental health: Chronic sleep disruption elevates cortisol, worsens anxiety and depression, and erodes emotional regulation.
Related habits
- Conflicts with: Meditation