The Stockholm Sleepy Brain Study: Effects of Sleep Deprivation on Cognitive and Emotional Processing in Young and Old

Inclusion Criteria

• •20-30 years of age, inclusive OR 65-75 years of age, inclusive
• •Able to understand spoken and written Swedish (in order to understand instructions)
• •Normal or corrected-to-normal vision not using glasses
• •Not colour blind
• •Right-handed
• •Free from ferromagnetic objects in body
• •No history of any neurologic or psychiatric illness including drug abuse
• •No history of diabetes nor hypertension
• •* No depression according to ratings using the Hospital Anxiety and Depression scale (HAD)
• •* No insomnia according to ratings using the Insomnia Severity Index (ISI) and Karolinska Sleep Questionnaire (KSQ)
• •No use of psychotropic drugs
• •Not studying or working in medicine, psychology, nor behavioural science
• •Not suffering from severe seasonal allergy
• •No use of cortisone, anti-histamines, nor any other immune-modulating drugs
• •Habitual intake of no more than 4 cups of coffee per day or the equivalent in terms of caffeine
• •No daily use of nicotine