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SleepViz is a simple Matlab graphical user interface for visualization of polysomnographic data.

3 plotting components :

  • Polysomnographic data (EEG, EOG, EMG, ECG)
  • Spectrogram (requires Matlab Signal Processing Toolbox)
  • Hypnogram (*.txt / *.hyp)

Doc

Please see this tutorial on my website

Release notes

Current version: 0.2

  • added function to compute sleep statistics from hypnogram (Tools > Compute Sleep Stats)
  • added function to apply a simple bandpass filter (Tools > Filter Signal)
  • added function to perform an automatic detection of Rapid Eye Movements (REMs) (Tools > REMs Detection)

vers. 0.1

  • added support for EDF format using edfread by Brett Shoelson
  • added support for Elan file format
  • added single-channel amplitude
  • added support for hypnogram in Elan .hyp or .txt files

Examples

Example include EDF files from two different sources

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Sleep Visualization Tool for polysomnographic data

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