Sökning: "sleep-wake behavior"

Visar resultat 1 - 5 av 6 avhandlingar innehållade orden sleep-wake behavior.

  1. 1. The rhythm of adolescence : morningness-eveningness and adjustment from a developmental perspective

    Författare :Anna-Karin Andersson [Andershed]; Margaret Kerr; Mats Gillberg; Örebro universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; morningness-Eveningness; circadian rhytmicity; sleep-wake; adolescence; development; social adjustment; school adjustment; family relations; risk; delinquency; impulsiveness; sensation-seeking; Psychology; Psykologi; Psykologi; Psychology;

    Sammanfattning : In recent developmental research, sleep-wake patterns and preferences, in other words Morningness-Eveningness, have been shown to be related to various kinds of problem behavior. Previous research on adolescents has demonstrated that individuals with a sleep-wake preference toward staying up late in the evening and arising late in the morning (i.e. LÄS MER

  3. 2. Non-image-forming effects of light : Implications for the design of living and working environments

    Författare :Mathias Adamsson; Thorbjörn Laike; Maria Johansson; Yvonne de Kort; Institutionen för arkitektur och byggd miljö; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; circadian rhythms; circannual; light exposure; melatonin; cortisol; sleep-wake behavior; perception; mood; spectral composition; measurement;

    Sammanfattning : Seasonal variation in mood and subjective well-being are common at geographical locations further away from the equator. The 24-h light-dark cycle is the main time cue for synchronizing the human circadian clock to the external day and night. LÄS MER

  4. 3. Nighttime sleep and daytime behavior in children : Studies based on parents' perseptions of five to eight year old children

    Författare :Hans Smedje; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Neurosciences; Behaviour; Children; Course; Parents; Persistence; Prevalence; Sleep; Strengths and Difficulties; Survey; Neurovetenskap; Neurology; Neurologi; barn- och ungdomspsykiatri; Child and Youth Psychiatry;

    Sammanfattning : The aim of this thesis is to survey sleep-wake characteristics and their associations with other factors, especially behavioural and emotional difficulties, in children. Parents' reports showed that various sleep disturbances were fairly common phenomena among 5-6-year-olds. LÄS MER

  5. 4. Delayed Sleep Phase Disorder : Prevalence, Diagnostic aspects, Associated factors and Treatment concepts

    Författare :Katarina Danielsson; Agneta Markström; Broman Jan-Erik; Markus Jansson-Fröjmark; Lars von Knorring; Pallesen Ståle; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; delayed sleep phase disorder; prevalence; diagnostic aspects; associated factors; light therapy and cognitive behavior therapy;

    Sammanfattning : Delayed sleep phase disorder (DSPD) is the most common circadian rhythm sleep disorder. Persons with DSPD have great difficulties falling asleep and waking up at conventional times. To diagnose DSPD this delayed sleep-wake rhythm should cause social impairment and distress for the individual. LÄS MER

  7. 5. Detecting Driver Sleepiness

    Författare :David Sandberg; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Driver sleepiness has been identified as one of the most prevalent factors in road crashes. Methods for online detection of driver sleepiness may help to prevent such sleepiness-related crashes.The main aims of this thesis have been to improve driver sleepiness detection and to further the understanding of how sleepiness impairs driving behavior. LÄS MER