https://futurewellness.uk/briefing/ One wellness claim tested properly each week, with the position published on the Register. en-GB Thu, 10 Sep 2026 07:00:00 +0100 https://futurewellness.uk/briefing/001-room-temperature/ https://futurewellness.uk/briefing/001-room-temperature/ Thu, 10 Sep 2026 07:00:00 +0100 Sleep and circadian Sleep is a thermoregulatory event before it is anything else. Why the 18 degrees figure is a floor rather than a specification, and what the mattress does after the thermostat stops.