Researchers have found that a lack of sleep diminishes your attention and concentration, thereby affecting your problem solving abilities.

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Problems to Sleep [F/M, OC x OC, 12 Pages, Artist: PJ-NSFW]

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I have the same feeling about bondage, i used to love sleeping tied to the bed, it just made me feel so protected. i have major problems with sleep but had the best nights sleep after being chained to a bed. it made me so happy.

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