The ultimate guide to optimising your sleep

This BBC Future article explores the science behind high‑quality sleep and offers practical strategies to improve it. It explains how sleep works, why it is essential for both physical and mental health, and what factors influence sleep quality—such as light exposure, temperature, stress, and daily routines. Experts highlight the importance of circadian rhythms, consistency in bedtime schedules, and creating an environment that supports rest. The article also debunks common myths, such as the idea that everyone needs the same number of hours of sleep, and emphasizes that individual needs vary. Ultimately, it provides evidence‑based tips to help people fall asleep faster, sleep more deeply, and wake up feeling restored.