Sökning: "Torbjörn Åkerstedt"

Hittade 4 avhandlingar innehållade orden Torbjörn Åkerstedt.

  1. 1. Altered sleep/wake patterns and circadian rhythms : laboratory and field studies of sympathoadrenomedullary and related variables

    Författare :Torbjörn Åkerstedt; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Sammanfattning : Six studies on sleep/wake patterns and circadian rhythms were  carried out. In summary: (1) Adrenaline excretion, self-rated activation,  and body temperature rhythms persisted during sleep  deprivation, resisted adjustment to rotating shift work, but adjusted  rather well to permanent night work. LÄS MER

  3. 2. Long shifts, short rests and vulnerability to shift work

    Författare :John Axelsson; Torbjörn Åkerstedt; Ulf Lundberg; Phil Tucker; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Sleep; alertness; sleepiness; shiftwork; compressed working hours; long shifts; 12h shifts; quick returns; quick change-overs; tolerance; gender; Psychology; Psykologi;

    Sammanfattning : At the same time as many urban economies are developing into 24-hour societies it is becoming increasingly popular amongst shift workers to compress their working hours. This is done by working longer shifts (>8h) and/or restricting free time (... LÄS MER

  4. 3. Work stress and overtime work - effects on cortisol, sleep, sleepiness and health

    Författare :Anna Dahlgren; Torbjörn Åkerstedt; Göran Kecklund; Mikael Sallinen; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; work stress; overtime work; cortisol; sleep; sleepiness; fatigue; individual differences; within-subjects design; field study; Psychology; Psykologi;

    Sammanfattning : In Sweden the National Bureau of Statistics has reported an increase in stress-related disorders and sleep problems since the mid-1990’s. They also report that the number of hours of overtime worked has increased. LÄS MER

  5. 4. Sleep and Sleep-disordered Breathing in Women : Associations with Daytime Symptoms and Metabolism

    Författare :Jenny Theorell-Haglöw; Eva Lindberg; Christer Janson; Christian Berne; Torbjörn Åkerstedt; Uppsala universitet; []
    Nyckelord :;

    Sammanfattning : Obstructive sleep apnea (OSA) is characterized by snoring, apneas and excessive daytime sleepiness (EDS). Although commonly present in OSA, factors relating to daytime sleepiness are not fully elucidated. OSA is associated with obesity and with cardiovascular disease, type 2 diabetes mellitus and the metabolic syndrome. LÄS MER