10 Medical diagnostic apparatus for patient treatment, namely, apparatus for measuring sleep, wakefulness states, circadian rhythms; Medical devices for diagnosing patients for treatment, namely, devices for measuring sleep, wakefulness states, circadian rhythms; Electro medical instruments for measuring sleep, wakefulness states, circadian rhythms for diagnosing patient disorders for further treatment; Medical testing instruments for measuring sleep, wakefulness states, circadian rhythms for diagnoses of patient disorders for further treatment; Medical instruments for measuring sleep, wakefulness states, circadian rhythms for diagnoses of patient disorders for further treatment; Electronic monitoring instruments for medical use for measuring sleep, wakefulness states, circadian rhythms for diagnoses of patient disorders for further treatment; Replacement parts and fittings for all of the aforesaid goods