![]() ![]() One study showed that firefighters are 6.4 times more likely to have a “cardiovascular event” (read: heart attack) when the station alarm sounds in the night than they are during their daytime, non-emergency duties. Adding an additional jolt awake can get your heart pumping, but it’s not always good for you. Thirty minutes after you wake up, your cortisol levels rise slowly to prepare you for the anticipated stress of the day. The thing is, your body already has a cortisol awakening response. What happens when you’re sound asleep and suddenly hear a blaring alarm? Your cortisol levels spike, big-time. Though opposite, both schools of thought have some scientific merit. You might even resort to placing your alarm on a Roomba so it’s hard to catch.
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