Close curtains or blinds during the hottest part of the day
Open windows at night or early morning to let in cooler air
Use fans to circulate air
Place a bowl of ice in front of a fan
Turn off unused lights and electronics
Use energy-efficient LED bulbs
Avoid using ovens, stoves, and other heat-producing appliances during the day
Keep doors closed to block hot air from spreading
Use cross-ventilation by opening windows on opposite sides of the room
Run a dehumidifier if the air feels sticky
Switch to lightweight, breathable bedding
Use cotton or linen sheets
Seal gaps around windows and doors
Add reflective window film or blackout curtains
Sleep on lower floors if possible
Water plants or the floor lightly in the evening if appropriate
Use a portable air conditioner if available
Wear light, loose-fitting clothing indoors
Take cool showers before bed
Keep the room uncluttered to improve airflow