It is well-known that lack of sleep impairs concentration and alertness, and this might be due partly to late night food

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It Is Well Known That Lack Of Sleep Impairs Concentration And Alertness And This Might Be Due Partly To Late Night Food 1 (115.99 KiB) Viewed 90 times

It is well-known that lack of sleep impairs concentration and alertness, and this might be due partly to late night food consumption. A 2015 study took 44 people aged 21 to 50 and gave them unlimited access to food and drink during the day, but allowed them only 4 hours of sleep per night for 3 consecutive nights. On the fourth night, all participants again had to stay up until 4 am, but this time participants were randomized into two groups; one group (A) was only given access to water from 10 pm until their bedtime at 4 am and group (B) still had unlimited access to food and drink for all hours. The group (A) performed significantly better on tests of reaction time and had fewer attention lapses than group (B). 1) The study was [Select] 2) What was the case? (Select ] 3) Were there likely to be confounding variables? why or why not? [ Select] 4) Can we conclude that eating late at night worsens some of the typical effects of sleep deprivation (reaction time and attention lapses)? [Select)