There Is No Light
Objectives: Artificial lighting has been beneficial to society, but unnecessary light exposure at night may cause various health problems. We aimed to investigate how whole-night bedside light can affect sleep quality and brain activity.
there is no light
Patients and methods: Ten healthy sleepers underwent two polysomnography (PSG) sessions, one with the lights off and one with the lights on. PSG variables related to sleep quality were extracted and compared between lights-off and lights-on sleep. Spectral analysis was performed to rapid eye movement (REM) sleep and non-REM (NREM) sleep epochs to reveal any light-induced differences in background brain rhythms.
Results: Lights-on sleep was associated with increased stage 1 sleep (N1), decreased slow-wave sleep (SWS), and increased arousal index. Spectral analysis revealed that theta power (4-8Hz) during REM sleep and slow oscillation (0.5-1Hz), delta (1-4Hz), and spindle (10-16Hz) power during NREM sleep were decreased in lights-on sleep conditions.
Conclusions: Sleeping with the light on not only causes shallow sleep and frequent arousals but also has a persistent effect on brain oscillations, especially those implicated in sleep depth and stability. Our study demonstrates additional hazardous effect of light pollution on health.
Explore different locations of the Underworld. Fight your way through hordes of monsters, defeat deadly bosses and find a way to the light which has been taken away by the Church of the Great Hand.
I blink. Minutes or hours pass. There is nothing to see. We're blind, but our bodies are close and we form a Ying and Yang, although I don't know who is which. She says the between floors stuff again. She speaks to my feet. They don't listen. Her feet are next to my head. I touch the bare skin of her ankle, of what I imagine to be her ankle, and it is warm and I want to leave my hand there.
The old gods again. They make me nervous. Everything seems closer and tighter after she speaks. My eyes strain against their lids and pray for light. They want to jump out and roll away. I say, "What about the old gods?"
I need to keep moving. I pocket the picture frame and listen again for the old gods. I still don't hear them. There's a wider path in the rubble, it expands and it goes up and I follow it. Dad had all kinds of picture frames that held black and white photos of obscure relatives or relatives who became obscure on the windowsills and hutches and almost anything with a flat, stable surface. He told me all their stories once, and I tried to listen and remember, but they're gone. After Dad died, Mom didn't take down or hide any of the pictures. She took to adding to the collection with random black and white photos she'd find at yard sales and antique shops. She filled the walls with them. Every couple of months, she moved and switched all the pictures around too, so we didn't know who our obscure relatives were and who were strangers. Nothing was labeled. Everyone had similar mustaches or wore the same hats and jackets and dresses and everyone was forgotten even though they were all still there. I can't help but think hidden in the stash of pictures were the old gods, and they've always been watching me.
The path in the rubble continues to expand. My crawl has become a walking crouch. There are hard lefts and rights, and I can't go too fast as I almost fall into a deep drop. Maybe it's the drop I shouldn't be concerned about. What if I should be going down instead of up? The piled rubble implies a bottom. There's no guarantee there's a top. What if she did hear the old gods but her sense of direction was all messed up? What if they're below us? Maybe that's fine too.
I continue to climb and I try to concentrate. Thinking of the picture frame helps. In our house there was a picture of a young man in an army uniform standing by himself on a beach, shirt-sleeves rolled over his biceps. Probably circa-WWII but we didn't know for sure. He had an odd smirk, and like the Mona Lisa's it always followed me. I also thought his face looked painted on, and at the same time not all there, like it would float away if you stopped looking, so I stared at it, a lot. If I had to guess, I'd say that's the picture in my back pocket.
My crouch isn't necessary anymore and now I'm standing and level and the darkness isn't so dark. There are outlines and shapes, and weak light. My feet shuffle on a thin carpet. I avoid the teeth of a ruined escalator. I'm dizzy and my mouth tastes like tinfoil. There's a distant rumble and the bones of everything rattle and shake loose dust. She was right. The old gods are here. I imagine they are beautiful and horrible, and immense, and alien because they are all eyes or mouths or arms and they move the planets and stars around. I take the picture frame out of my pocket and clutch it to my chest. It's a shield. It's a teddy bear. I found it between floors. There's a jagged opening in the ruined building around me and I walk through it.
I emerge into an alien world. I'm not where I used to be. This is the top of the ruined building, or its other bottom. The air here is thick and not well. Behind me there is a section of the building's second or other foundation that is still intact. My eyes sting and my vision is blurry, but the sky is red and there are mountains of glass and mountains of brick and mountains of metal and I stand in the valley. Nothing grows here. There are eternal fires burning without smoke. Everything is so large and I am so small. There are pools of fire and a layer of gray ash on the ground and mountains. I'm alone and there's just so much space and it's beautiful, but horrible too because I can't make any sense of it and there's too much space, too much room for possibility, anything can happen here. I shouldn't be here. She was right not to follow me because I climbed through the rubble in the wrong direction and I think about going back, but then I see the old gods.
I don't know how she heard them. They're as alien or other as I imagined but not grand or powerful. They're small and fragile, like me. There is one old god between the mountains and it walks slowly toward me. The old god is naked and sloughs its dead skin, strips hanging off its fingers and elbows. Its head is all red holes and scaly, patchy skin. The old god must be at the end, or maybe the beginning, of a metamorphosis. There is another kneeling at the base of the mountain of glass. The old god's back is all oozing boils and blisters. Its hands leave skin and bloody prints on the mountain. It speaks in a language of gurgles and hard consonants that I do not understand. The old god is blessing or damning everything it touches. I don't know if there is a difference. I find more old gods lying about, some are covered in ash, and they look like the others but they are asleep and dreaming their terrible dreams. And she was right again; they are all suffering. I didn't think they were supposed to suffer like this.
There's a great, all-encompassing, white light that momentarily bleaches the red sky and I shield my eyes with the empty frame. Then there's a rumble that shakes the planet, and well beyond the mountains that surround me a great grey building reaches into the red sky. They're building it so fast, too fast, and that's why it'll eventually fall down because they aren't taking their time, they're not showing care. It's still an awesome sight despite what I know will happen to it. The top of the building billows out, like the cap of a mushroom, and I try to yell, "Stop!" because they are constructing the building's second foundation in the sky. The building won't be anchored to anything; the sky certainly won't hold it. It'll fall. I don't want to watch it fall. I can't. So I turn away.
She speaks to me again. She tells me to leave this place and come back. I do and I walk, trying to avoiding the gaze of the old gods. They make me feel guilty. But they aren't looking at me. They cover their faces. They're afraid of the great light. Or maybe they're just tired because they've seen it all before. I walk back to our ruined building, but she's not at the opening. She's already climbing back down. I'll follow. I'll climb back down to our space between floors and bring her the picture frame. I'll tell her it's a picture of my Dad in the yard with flannel and his poop-scoop.
I'm crawling and the tunnel ahead will narrow. I can feel the difference in the air. There is another rumble above me and the bones of everything shake again, but I won't see that horrible light down here. I'll be safe. I wonder if I should've tried to help them. But what could I have done? I suppose, at the very least, I could've told the old gods that there is no light between floors.
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