Struggling to Sleep in the Heat? Put This Kitchen Item on Your Windowsill

Sleeping becomes far harder when a bedroom traps daytime heat and outdoor temperatures remain high after sunset. The problem is especially noticeable during humid “tropical nights,” when temperatures do not fall below 20°C and the body struggles to release heat before sleep.

A simple suggestion shared during the UK’s June 2026 heatwave involves placing an ordinary bowl of cold water beside an open window. The method uses basic evaporative cooling, but its effectiveness depends heavily on airflow, humidity and when the window is opened.