Sleep deprivation video

gland

an organ of the body which produces a substance that the body needs, such as hormones

shut-eye

sleep

moody

often changing quickly from being in a good temper to being in a bad temper

replenish

to put new supplies into something, or to fill something again

inflammation

swelling and pain in part of your body, which is often red and feels hot

fast asleep

sleeping very deeply

be sound asleep

sleeping very deeply

uncoordinated

someone who is uncoordinated is not good at physical activities because they cannot control their movements effectively

inconvenience

problems caused by something which annoy or affect you

to affect

to do something that produces an effect or change in something or in someone’s situation

diabetes

a serious disease in which there is too much sugar in your blood

obesity

when someone is very fat in a way that is unhealthy

sanity

the condition of being mentally healthy

byproducts

something additional that is produced during a natural or industrial process

overload

to put too many things or people on or into something

devoted

giving someone or something a lot of love and attention

a die-hard fan

sb who support only one team and doesn't accept other teams (eg. in sport)

bodily harm

serious injury

stroke

if someone has a stroke, an artery (=tube carrying blood) in their brain suddenly bursts or becomes blocked, so that they may die or be unable to use some muscles

hormonal imbalance

occurs when there is too much or too little of a hormone in the bloodstream.