Free Tool
Sleep Quality Quiz
12 questions covering sleep habits, environment, and behaviours. Get a score and personalised recommendations in under 3 minutes.
What does sleep quality mean?
Sleep quality is distinct from sleep quantity. You can spend 8 hours in bed and still wake up exhausted if the quality of that sleep is poor. Quality refers to how restorative sleep actually is — how much time you spend in the deep slow-wave and REM stages that drive physical recovery, memory consolidation, and emotional regulation.
The main dimensions of sleep quality include: how quickly you fall asleep (sleep latency), how often you wake during the night (sleep continuity), how you feel upon waking (sleep satisfaction), and whether your sleep habits and environment support or undermine the process.
This quiz assesses all four areas across 12 questions drawn from established sleep hygiene research. It is not a clinical diagnostic tool — it is a structured self-assessment to identify which areas of your sleep are working well and which have the most room for improvement.
How long does it usually take you to fall asleep?
What your score means
High score — Strong foundation
Your habits and environment support good sleep. Focus on maintaining consistency rather than adding more interventions.
Mid score — Specific gaps
Your sleep has clear strengths but one or two areas are undermining quality. The recommendations will point to the highest-leverage changes.
Low score — Multiple factors
Several habits or environmental factors are compounding. Start with the single highest-impact change and add others gradually — trying to fix everything at once rarely works.
The highest-impact changes
Whatever your score, research consistently points to three changes that produce the biggest improvements in sleep quality for the most people:
- 1.Consistent wake time — same time every day, including weekends. This anchors your circadian rhythm more effectively than any supplement.
- 2.Bedroom temperature below 18°C (65°F) — core body temperature must drop to initiate deep sleep; a cool room accelerates this.
- 3.No screens 60–90 minutes before bed — blue light delays melatonin onset by up to 90 minutes, regardless of how tired you feel.
For the full evidence-based checklist: Sleep Hygiene Checklist: 12 Science-Backed Habits →
This quiz is for informational purposes only and is not a clinical sleep assessment. If you suspect a sleep disorder (sleep apnoea, insomnia disorder, narcolepsy), consult a qualified healthcare professional.