Olimex OpenEEG

The Olimex EEG-SMT is a compact, USB-powered EEG device designed for monitoring brain activity. When used with compatible software, it can record data during sleep and help visualize sleep architecture, which is an especially useful feature for those adapting to a polyphasic sleep schedule.

Signal quality depends on several factors, including electrode placement, electrical interference, and the user's environment. While results may vary, many users have successfully used this device to monitor sleep stages.

References

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