“Gall cymryd bath neu gawod oer, neu dasgu dŵr oer drostoch chi eich hun neu roi eich arddyrnau o dan dap dŵr oer eich helpu os byddwch yn dechrau gorboethi.
“Cool baths or showers, or splashing yourself with cold water or placing your wrists under cool running water can help if you feel you are overheating.