Elon Musk's unusual sleep advice for acid reflux draws scientific scrutiny

Elon Musk, known for his ventures in electric vehicles and space exploration, has recently shared unconventional sleep advice on social media, recommending that individuals suffering from nighttime acid reflux place a stack of books under the head of their bed frame to create a downward tilt.

Musk suggested that this elevation, aiming for a slight downward slope towards the feet, could 'help with digestion' and reduce the backward flow of stomach acid. This is not the first time the SpaceX CEO has offered unsolicited medical tips for acid reflux. Previously, he advised elevating the head of the bed by about 3 to 5 centimeters and avoiding meals three hours before bedtime. He also posited that many people experience mild acid reflux at night, which can affect sleep quality without their conscious awareness.

Gastroesophageal reflux disease (GERD), commonly known as acid reflux or heartburn, occurs when stomach acid flows back into the esophagus. This happens when the lower esophageal sphincter, a muscle that normally prevents such backflow, is weak. Lying flat can exacerbate this issue, as gravity no longer aids in keeping stomach acid down. Eating close to bedtime can worsen symptoms by stimulating more acid production.

Experts acknowledge some validity to Musk's suggestion. Harvard Health Publishing recommends elevating the head of the bed by at least six inches, suggesting methods like placing wooden blocks under the legs at the head of the bed or using a foam wedge under the mattress. A 2012 study involving beds elevated by 7.8 inches (20 cm) found that 65% of participants reported improved sleep and a significant reduction in acid reflux episodes. A 2021 review of multiple trials concluded that elevating the bed head is a 'cheap, safe alternative to drugs' for GERD sufferers.

However, potential downsides exist. Some studies indicate only moderate improvements in GERD symptoms and sleep quality. A 2020 study where patients slept in beds elevated by 7.8 inches for six weeks reported improved acid reflux symptoms but no change in overall quality of life. More significantly, over half of the participants experienced adverse effects, including sliding out of bed, foot and ankle swelling, neck or lower back pain, and even sexual issues related to the bed's tilt. For a quarter of these participants, these side effects were severe enough to discontinue the practice, despite symptom improvement.