Water pillow

A water pillow is a type of pillow that incorporates a sealed water chamber used to adjust firmness and support. By adding or removing water, users can modify the level of support provided by the pillow.

In some clinical studies and media reports, similar designs have been described as water-based pillows. Research in sleep ergonomics indicates that pillow height and structural support may influence head and neck posture during sleep.[1][2]

Design

Water pillows generally consist of a water reservoir enclosed within a conventional pillow structure. The amount of water inside the pillow can be adjusted to change firmness and support.

Unlike conventional pillows that rely entirely on fixed fill materials, water pillows allow the level of support to be modified by adjusting the water volume within the internal chamber.

Research

Research in sleep ergonomics and biomechanics has examined how pillow characteristics, including height and support, affect cervical spine alignment during sleep.[1][2] Studies suggest that pillow height and support properties may influence muscle activity, pressure distribution, and perceived comfort.[1][2]

See also

References

  1. ^ a b c Lei JX, Yang PF, Yang AL, Gong YF, Shang P, Yuan XC (October 2021). "Ergonomic Consideration in Pillow Height Determinants and Evaluation". Healthcare. 9 (10). doi:10.3390/healthcare9101333. PMC 8544534. PMID 34683013.
  2. ^ a b c Her JG, Ko DH, Woo JH, Choi YE (March 2014). "Development and comparative evaluation of new shapes of pillows". Journal of Physical Therapy Science. 26 (3): 377–80. doi:10.1589/jpts.26.377. PMC 3976006. PMID 24707087.
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