A doctor has highlighted grim new research indicating that those not sticking to set bedtimes and wake times could face a greater threat of stroke and heart attack, with startling findings from a study involving 72,269 people aged 40 to 79 with no prior major cardiac incidents. Participants in the UK Biobank study wore an activity tracker for a week, revealing that irregular sleepers had a staggering 26% higher chance of stroke or heart issues compared to regular sleepers, while even moderately