Sleep Quality Calculator — Quick Test

Sleep quality matters just as much as quantity: you can spend 8 hours in bed and still wake up feeling bad. Check the signs below that show up in your routine to see a guiding score for your sleep quality.

Check what you've been feeling It takes me more than 30 minutes to fall asleep I wake up several times during the night I wake up well before my alarm and can't fall back asleep I feel sleepy or tired during the day I snore loudly, or I've been told I stop breathing while asleep I use my phone or watch TV in bed until right before I sleep I have coffee, energy drinks, or alcohol at night My bedtime varies a lot from one day to the next

Signs of poor sleep

0out of 9 points

Check the items above to calculate.

Mild Moderate Severe

What defines quality sleep

The National Sleep Foundation sums up good quality sleep in four objective points: falling asleep within 30 minutes, waking up no more than once a night, falling back asleep within 20 minutes if you do wake up, and spending at least 85% of your time in bed actually asleep. Missing these points once in a while is normal; the problem is when it becomes a pattern.

The score above is not a diagnosis. It adds up signs that your sleep might not be restful and serves to indicate whether it’s worth reviewing habits or seeking help — nothing more.

Signs that carry more weight

Not every sign carries the same weight. Loud snoring accompanied by breathing pauses deserves the most attention, because it can indicate sleep apnea, a condition that fragments rest without the person noticing. That’s why it counts double in the score. If this item shows up, use the sleep apnea risk calculator for a better assessment.

How to improve sleep quality

Regularity: sleep and wake up at the same times, including on weekends
Light and screens: reduce bright light and screens in the last hour before bed
Stimulants: avoid coffee, energy drinks, and alcohol at night
Environment: a dark, quiet, cool bedroom favors deep sleep
The bed is for sleeping: avoid working or watching videos for hours lying down

When to see a doctor

If you get enough sleep but frequently wake up tired, if you snore with breathing pauses, or if daytime sleepiness disrupts your day, it’s worth an evaluation. Also measure how much you typically sleep with the sleep duration calculator, and if your problem is your work schedule, see the night shift sleep calculator.

This calculator is for informational purposes, does not diagnose sleep disorders, and does not replace medical evaluation.

Frequently asked questions

What counts as good quality sleep?

According to the National Sleep Foundation, it's falling asleep within 30 minutes, waking up no more than once a night, falling back asleep within 20 minutes if you do wake up, and spending most of your time in bed actually asleep.

Does this test diagnose a sleep disorder?

No. It's a screening checklist that adds up signs of poor sleep. It indicates whether it's worth investigating further, but diagnosing insomnia, apnea, or another disorder is done by a doctor.

I sleep 8 hours but wake up tired. Why?

The problem might be quality, not quantity. Fragmented sleep, snoring with breathing pauses, and using screens or caffeine at night can hurt rest even with enough hours.

How can I improve sleep quality?

Keep regular schedules, reduce light and screens before bed, avoid caffeine and alcohol at night, and keep the bedroom dark, quiet, and cool. If the signs persist, see a doctor.

Sources

Written by Lucas Silva · Reviewed by Lucas Silva · Updated on July 20, 2026