Herakova N, Nwobodo NHN, Wang Y, Chen F, Zheng D. High-quality carbohydrates and physical performance: Expert panel report. doi:10.1123/ijspp.2018-0676Ĭenters for Disease Control and Prevention. International Journal of Sports Physiology and Performance. Stabilizing bioimpedance-vector-analysis measures with a 10-minute cold shower after running exercise to enable assessment of body hydration. ![]() Spilling the beans: How much caffeine is too much?Ĭampa F, Gatterer H, Lukaski H, Toselli S. Caffeine: Cognitive and physical performance enhancer or psychoactive drug? Curr Neuropharmacol. Eye strain: How to prevent tired eyes.Ĭappelletti S, Daria P, Sani G, Aromatario M. Effects of napping on sleepiness and sleep-related performance deficits in night-shift workers: A systematic review. The National Institute for Occupational Safety and Health. Stair walking is more energizing than low dose caffeine in sleep deprived young women. Walking and being outdoors in nature increase positive affect and energy. Increases in oxytocin, a neurotransmitter that heightens feelings of trust and emotion, and a decreases in cortisol, a brain chemical linked to stress, have been tied to our in-person interactions with animals there's a chance similar effects could be at play with our reactions to cute-animal videos, but research is needed to investigate exactly what's going on.Fuegen K, Breitenbecher KH. after than before." One important caveat: The study didn't measure whether the videos actually had those effects, only whether the participants felt that they did. The cat video fans said they felt "significantly lower levels of depletion. In a study published in June 2015, which surveyed 7,000 cat video enthusiasts, respondents said that watching internet cat videos raised their energy levels, heightened their feel-good emotions, and minimized their negative feelings, as reported by LiveScience. (Videos of other cute animals could also do the trick, a 2012 study found.) ![]() ![]() Those are what regulate sleep and wakefulness, setting a normal schedule for our bodies and minds.Ĭats may be unusually lazy, but some people find that their furry antics provide not only a way to boost mood, but to combat sleepiness as well. ![]() In a 2014 study, those exposed to special formulations of blue light reported feeling less tired and had quicker reaction times and fewer lapses of attention during memory tests.īright light also activates the hypothalamus, a part of the brain that controls our circadian rhythms. That's why a dose of sunshine is ideal, while the less-bright lights of indoors aren't quite enough to keep you from dozing off at your desk. Studies indicate that exposure to blue light during the day - a type of visible light that comes from natural sources like the sun and artificial sources like TVs, laptops, smart phones, and LED lighting - immediately improves alertness and performance.īut to keep us perky during the day, we need more than a softly glowing screen (which may be plenty to keep us wired when we're trying to sleep at night). If you're dragging at work, a quick step into sunshine may be all you need to recharge. Account icon An icon in the shape of a person's head and shoulders.
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