Do Jennifer Aniston’s 7 rules for staying in shape work for us mere mortals?

nypost.com:

seemingly ageless actress floored fans with her stunning black-and-white shots — featuring clothes and accessories by Valentino, Tom Ford, Tiffany, Balenciaga and others — for the new “Muses” issue of CR Fashion Book.Well, her advice certainly appears remarkable for its utter simplicity: “I drink a lot of water, move my body daily, try to eat whole, fresh foods, and get as much sleep as I can,” said screen and style icon, who graduated from NYC’s legendary LaGuardia High School of Music & Performing Arts (aka the “Fame” school) way back in 1987.But surely it can’t be that easy to maintain a face and physique that’s just as taut and toned as it was when America first fell in love with her as Rachel Greene on “Friends” nearly 30 years ago.

The Post went to the experts to discover just how effective “The Morning Show” star’s four favorite health hacks — plus a few bonus J-approved tips — stack up for us non-superstar civilians.

Sleeplessness, experts say, could result from poor pre-bedtime habits such as too much caffeine or alcohol, lifestyle choices or medical conditions.“[Sleep] is challenging for me — but it’s so important,” Aniston told the CR Fashion Book. “I feel it when I don’t get enough rest.”The “Murder Mystery” star has plenty of company: An estimated 50 to 70 million people in the US have ongoing sleep disorders, according to the National Heart, Lung, and Blood Institute.“[Extreme] sleep deprivation [can] be harmful to your health,” Dr.

Neomi Shah, the program director of sleep medicine at the Icahn School of Medicine at Mount Sinai, told The Post. “We worry about accidents, motor vehicle accidents, occupational accidents or household accidents if you’re sleep-deprived.”Experts advise establishing a late-night.