nighttime blood pressure.

Night Owls and the Risk of Stroke: Why Does Staying Up Late Harm Your Heart?
staying up late increases the risk of stroke and cardiovascular disease by 16%. much of this risk stems from smoking, eating late at night, and lack of sleep. people who stay up late need to proactively change their lifestyles to protect their hearts.
The '3-hour rule' may help lower blood pressure and improve cardiovascular health.
new research shows that stopping eating and reducing light exposure three hours before bedtime helps lower blood pressure, heart rate, and improve blood sugar control without cutting calories.