By Dr. Zachary LaVigne, Any Spine Chiropractic & Massage Studio
You think of sleep as the part of the day where nothing happens. Close your eyes, lose a few hours, and hopefully wake up less tired than before. Biologically, that is not even close. Sleep is when some of your most important systems clock in and do work they cannot do while you are awake.
If you could watch your brain at night, it would not look like a screen saver. During deep sleep, your body releases growth hormone that helps repair muscle, bone, and connective tissue from the micro-damage of daily life. Your immune system gets busier too, identifying and dealing with threats that were background noise while you were answering emails or navigating traffic.
REM and lighter stages of sleep are the brain’s editing room. New memories are sorted, linked to old ones, and sometimes trimmed away. Emotional experiences are replayed and toned down. That is part of why even one bad night can make everything feel sharper, louder, and more dramatic the next day. You did not just lose hours. You skipped a key part of emotional processing.
Why We Need Dark, Safe Sleep
Sleep is risky, from an evolutionary point of view. You are less aware of predators, the weather, and other humans. The only reason this behavior survived is that the benefits to strength, coordination, judgment, and immunity outweighed the risk. Bodies that slept worked better the next day than bodies that tried to white-knuckle their way through.
We also evolved in a world with very clear light and dark signals. Daylight meant movement, food, and social time. Darkness meant slowing, safety with your group, and then sleep. Your brain still uses light as a master timing cue. Morning light tells your clock when to raise body temperature, release cortisol for alertness, and start the countdown toward nighttime melatonin.
Modern life scrambles that message. Many of us spend our days under dim indoor lighting that is weaker than an overcast sky, then spend our nights staring into bright screens that tell the brain it is still daytime. Biologically, that pattern looks like living in a cave all day and standing by a bonfire at midnight. Your nervous system responds with a kind of rolling jet lag.
When Sleep Becomes “Optional”
Treating sleep as the first thing to cut has predictable effects. Your internal clock drifts. You feel wired late and groggy early. Stress hormones stay higher, which can nudge blood pressure, appetite, and anxiety in the wrong direction. Pain feels louder. Old injuries complain more. Small problems feel bigger.
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For a lot of LGBTQ+ folks juggling shift work, nightlife, caregiving, or just the emotional labor of existing in certain spaces, sleep often feels negotiable. Your biology disagrees. You cannot outsource this job.
The goal is not perfection. It is cooperation. Protect a basic sleep window when you can. Step into real morning light, even for a few minutes, so your brain knows where to anchor the day. Let evenings actually dim. See sleep less as lost time and more as the maintenance window that keeps the rest of your life running.
