Behaviour – aggressive, antisocial, withdrawn, hyperactive, unable to control or regulate behaviour

Emotion – Moody, depressed, anxious, stressed, uneasy, unconfident, irritable

Planning – poorly organised, poor time managers, repeating grades, forgets lessons

Concentration – inattentive, lack of concentration, falling behind in school

Creativity – not working at full potential

Problem solving – poor behaviour control and difficulty in social situations

Complicated thinking – struggles with maths, sciences, languages, abstract concepts

Motor coordination – less sporty, more accidents, clumsier

Weight – being obese and overweight is more likely with less sleep

Learning – it is though that sleep, particularly dream sleep or REM sleep, is necessary for storing certain types of memory, particularly more difficult memories such as mathematical concepts and language.