Sleep Quality Test
Rate your sleep quality with this 12-question assessment inspired by the Pittsburgh Sleep Quality Index. Get a score out of 36 with personalized recommendations to improve your sleep. Takes about 2 minutes. Your answers are 100% private and never leave your browser.
Understanding Sleep Quality
Sleep quality is different from sleep quantity. You can spend 8 hours in bed and still wake up exhausted if your sleep is fragmented, shallow, or disrupted by environmental factors. Sleep quality is measured by several factors: how quickly you fall asleep (sleep onset latency), how much of your time in bed is actually spent sleeping (sleep efficiency), how many times you wake during the night, and how restorative your sleep feels. This test evaluates all of these dimensions to give you a comprehensive sleep quality score.
Why Sleep Quality Matters
Poor sleep quality is linked to a wide range of health problems. A meta-analysis published in Sleep Medicine Reviews found that poor sleep quality, independent of sleep duration, is associated with increased risk of cardiovascular disease, obesity, diabetes, depression, and cognitive decline. Sleep is when your brain clears metabolic waste through the glymphatic system, consolidates memories, and repairs tissue. When sleep quality suffers, these processes are compromised even if you are in bed for the recommended hours.
Factors That Affect Sleep Quality
Screen use before bed suppresses melatonin production by up to 50 percent. Caffeine has a half-life of 5 to 6 hours, meaning a coffee at 3 PM still has half its caffeine in your system at 9 PM. Alcohol fragments sleep architecture and suppresses REM sleep, even though it may help you fall asleep faster. Room temperature, ambient light, noise levels, and mattress quality all measurably affect sleep quality. Stress and anxiety activate the sympathetic nervous system, making it harder to transition into deep sleep stages.
How to Improve Your Sleep Score
The most impactful change is maintaining a consistent sleep schedule, even on weekends. Your circadian rhythm thrives on regularity. Keep your bedroom cool (16 to 19 degrees Celsius), dark, and quiet. Develop a wind-down routine that does not involve screens for the last 30 to 60 minutes before bed. Limit caffeine after noon and avoid alcohol within 3 hours of bedtime. Regular exercise improves sleep quality, but avoid intense workouts close to bedtime. If racing thoughts keep you awake, try a brain dump journal where you write down everything on your mind before bed.
The Pittsburgh Sleep Quality Index
This test draws inspiration from the Pittsburgh Sleep Quality Index (PSQI), a validated clinical instrument developed by Dr. Daniel Buysse at the University of Pittsburgh in 1989. The PSQI measures seven components of sleep quality over a one-month period and is used worldwide in both clinical practice and research. While our simplified version is not a clinical diagnostic tool, it covers the key dimensions of sleep quality and provides actionable insights for improvement.
When to See a Doctor About Sleep
If you consistently score in the Poor or Fair range despite practicing good sleep hygiene, consider consulting a sleep specialist. Conditions like sleep apnea, restless leg syndrome, periodic limb movement disorder, and chronic insomnia require professional diagnosis and treatment. A sleep study (polysomnography) can identify issues that no questionnaire can detect. Do not accept poor sleep as normal: it is treatable and the health benefits of improvement are substantial.