6 Things You Can Do Tonight for Noticeably Better Sleep
We may earn a commission if you buy through links on this page. This has no bearing on our recommendations.
Sleep quality compounds over time. These changes work within the first night for most people — no supplements, no expensive equipment.
Lower your bedroom temperature to 16–19°C
Body temperature drops during sleep onset — a cool room accelerates this process. Most people sleep in rooms that are 2–4 degrees too warm. Opening a window, using a lighter duvet, or setting a thermostat to 17°C will produce noticeable improvement for most people within the first night.
Eliminate all light sources in the bedroom — including standby LEDs
Even small amounts of light during sleep suppress melatonin production. LEDs on televisions, phone chargers, and smoke alarms are enough to affect sleep depth. Blackout curtains address the largest source; electrical tape over standby lights handles the rest. Total darkness is meaningfully different from near-darkness.
Stop using bright screens for 30 minutes before bed
Blue-spectrum light from phones and laptops delays sleep onset by 30–60 minutes on average. The effect is well-established. The practical fix is simple: switch to night mode two hours before bed, and stop using screens entirely for the last 30 minutes. A book, podcast, or conversation works as well for most people.
Set one alarm only — and don't snooze it
Multiple alarms and snooze buttons produce fragmented, low-quality sleep in the final hour of the night. The body begins waking hormone release about 90 minutes before the expected wake time — snoozing interrupts this process repeatedly. One alarm, placed across the room if necessary, is physiologically better than five alarms snooze-extended over 45 minutes.
Stop caffeine consumption by 2pm
Caffeine has a half-life of 5–7 hours in most adults — meaning a 3pm coffee still has half its effect at 9pm. It doesn't prevent sleep in everyone, but it consistently reduces deep sleep duration even when people feel like they fall asleep easily. Moving the last caffeine of the day to before 2pm is the simplest sleep hygiene change most people haven't tried.
Wake at the same time every day — including weekends
Consistency of wake time is more influential than consistency of sleep time. Weekend lie-ins shift the circadian rhythm (social jet lag) and make Monday mornings harder. Waking at the same time daily — even after a poor night's sleep — anchors the sleep-wake cycle more effectively than any other single intervention.