... Ao coração:
http://www.dailystar.co.uk/health/621236/Is-sleeping-in-good-for-you-social-jet-lag-heart-disease-signs-symptoms
Citando:
"According to preliminary research, social jet lag can cause an increased risk of heart disease, poor health, worse mood and greater fatigue,
The new study found that – even if you do get the recommended eight hours of sleep a night on the weekend – every hour that this is shifted to later in the morning is associated with an 11% increase risk of heart disease."
(...)
"social jet lag: This is what happens to your body when you stay up late followed by a sleep in on the weekend."