Sleep is a goal collection at Healf covering sleep aids, aromatherapy, bath & body. Read our blog on glycine for more context: glycine is linked with the body’s cooling and relaxation signals before sleep, while still framing it as gentle support rather than a guaranteed sedative. It brings together products across Sleep, with current availability shown on the live Healf collection page. You can also compare Healf's sleep supplements collection for closely related options.

It brings together products across Sleep, with current availability shown on the live Healf collection page. The temperature article explains that core body temperature naturally fluctuates across 24 hours and that a poor thermal environment can work against sleep onset and deep sleep. You can also compare Healf's sleep tech collection for closely related options.

Choose products for Sleep by matching the format and ingredients to your routine, then checking product labels. The temperature article explains that core body temperature naturally fluctuates across 24 hours and that a poor thermal environment can work against sleep onset and deep sleep. Healf product pages show the current labels and product details.

Yes. Healf stocks the Sleep collection online, with the live collection page showing current availability and product details. Free UK delivery applies over £50, and Healf lists a 365-day returns policy. Check individual product pages for current prices, subscriptions, device terms or suitability notes.