Why the Atkins Diet will make you sleepy but a packet of crisps will wake you up


Following the Atkins Diet could make you feel sleepy during the day, according to new research.

A new study suggests that your level of alertness during the day may be related to the type of food you eat.

The
researchers, from Penn State College of Medicine, in Pennsylvania,
found that higher fat consumption is associated with increased daytime
sleepiness.






Carbohydrate-rich foods such as crisps were shown to boost alertness in the American study

Carbohydrate-rich foods such as crisps were shown to boost alertness in the American study


In contrast, higher carbohydrate consumption was linked to increased alertness during the day.

Therefore, people who eat a lot of meat but no carbohydrates are more likely to feel sleepy during the day.

The researchers also found that there was no link between protein consumption and alertness.



Principal investigator,
Alexandros Vgontzas, professor of psychiatry at the Penn State College
of Medicine, said: ‘Increased fat consumption has an acute adverse
effect on alertness of otherwise healthy, non-obese adults.’


He added: ‘Excessive daytime sleepiness and fatigue are very prevalent in the modern world and are on the rise.

‘It
appears that a diet high in fat decreases alertness acutely, and this
may have an impact on an individual's ability to function, and also on
public safety.’






Eating foods that are high in fat - such as sausages - make people sleepier and less alert during the day

Eating foods that are high in fat - such as sausages - make people sleepier and less alert during the day


The researchers studied a group of 31 healthy, non-obese, normal sleepers without sleep apnea.

The participants, who ranged in age from 18 to 65, spent four consecutive nights in a sleep lab.

On the fourth day, objective sleepiness was assessed and meals were provided five times to assess diet.

According to the authors, previous studies have found that diet affects subjective sleepiness.

The current study adds to this body of research by showing a similar association between diet and objective sleepiness.

Objective
sleepiness can be measured to show how able someone is to function at a
high level, subjective sleepiness relates to how tired a person feels.
  1. 2013/05/09(木) 17:07:32|
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