Credit: Kaitlin Allen. Photo taken under NMFS permit #19108 Sleep apnea, which is thought to affect up to 1 in 4 adults, occurs when we briefly stop breathing while asleep. The brain senses the decrease in blood oxygen levels that occurs during the interruption and wakes us up so we’ll take a breath. Some of … Continue reading What Snoozing Seals Can Teach Us about Cardiovascular Health