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    Philips Support

    How to determine your correct SmartSleep device size?

    Published on 2021-09-06
    Find out here how to determine the correct size for your SmartSleep device.

    Reccomendations for choosing the right SmartSleep Device size

    DeepSleep Headband 1
    Size M: Head circumference 51 – 58 cm (20.0” – 22.5”)
    Size L: Head circumference 58 – 66cm (22.5” – 26.0”)

    DeepSleep Headband 2
    Size M: Head circumference 51 – 58 cm (20.0” – 22.5”)
    Size L: Head circumference 58 – 67 cm (22.5” – 26.4”)

    Size medium will be the best size choice for approximately 70% of people.

    If your head measurement falls at the end of the size and you usually wear a size L cap then please choose size L. 

    Directions for Correct sizing

    Place a string or fabric tape measure around your head about 3-4 mm (1/8") above your ear, across the middle of your forehead, completely encircling your head. Hold the tape firmly, but not too tightly. If your head measurement falls at the end of size (for example, 60cm), choose the smaller size.
    Directions for Correct sizing of SmartSleep

    The information on this page applies to the following models: HH1600/02 , HH1600/03 , HH1600/00 .

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