Weighted Blankets: Genuine Tool or Wellness Theatre?
The science behind deep pressure stimulation, who it actually helps, and how to choose a blanket that works in a 40°C climate.
Weighted blankets surged from a niche occupational-therapy tool to a mainstream sleep product in about five years. The marketing is enthusiastic. The evidence is real, but narrower than you might think.
What deep pressure stimulation does
Sustained, even pressure across the body activates the parasympathetic nervous system and raises serotonin. The effect is similar in mechanism to a long hug, and measurably lowers anxiety in the 30 minutes before sleep.
Who benefits most
- People with anxiety-led sleep onset difficulty.
- People with ADHD who struggle to settle.
- People with sensory processing differences.
Who it does not help
If your problem is staying asleep — not falling asleep — a weighted blanket will likely make things worse. Heat builds up under the weight, and overnight temperature regulation is harder. In Dubai, this matters.
How to choose one for our climate
- 10% of your body weight, no more. Heavier is not better.
- Bamboo or cotton cover only. Avoid microfibre — it traps heat.
- Glass-bead fill, not plastic pellets — distributes more evenly and runs cooler.
- Use it only for the first 20–30 minutes of sleep, then swap to your normal duvet.