
Parasomnias
Periodic limb movements on this polysomnographic study show intermittent leg electromyographic activ... |

Polysomnography: Overview and Clinical Application
Typical polysomnogram tracing. The burst of electromyogram activity recorded from... |

Primary Insomnia
Primary insomnia. Evaluation of insomnia - Format of sleep diary.
... |

Sleep Apnea
Sleep apnea. Palate appearance following uvulopalatopharyngoplasty (UPPP) surgery. |

Sleep Apnea
Sleep apnea. A 2-minute recording of sleep showing 3 hypopneas and associated oxyg... |

Sleep Apnea
Effect of nasal continuous positive airway pressure (CPAP) on oxygen saturation in... |

Sleep Apnea
Hypopnea. Note that the flow is decreased and that a desaturation follows this dec... |

Sleep Apnea
Mixed sleep apnea. Note that the apnea begins as a central apnea (effort absent) a... |

Sleep Apnea
Obstructive sleep apnea (OSA). Note the absence of flow despite respiratory effort... |

Sleep Apnea
Central sleep apnea. Note the absence of both flow and respiratory effort. |