This weekend, London is facing unprecedented May temperatures, soaring to 32°C and potentially reaching 34°C on bank holiday Monday and Tuesday. The city is also set to experience its first 'tropical night' of the year, where temperatures will not drop below 20°C overnight. A tropical night is defined as such when nighttime temperatures remain above this threshold. These occurrences have become more frequent in the UK, with three consecutive tropical nights recorded in 2022. The Met Office warns that high nighttime temperatures pose significant health risks, particularly for older adults and those with pre-existing conditions, as they can lead to cardiovascular stress. With only 5% of UK homes equipped with air conditioning, many residents may struggle to sleep comfortably. Experts emphasize the need for adaptation strategies, including improving building ventilation to cope with rising temperatures. To manage sleep during these warm nights, tips include keeping windows open for airflow, using light bedding, and avoiding caffeine or alcohol before bed.