Feeling a jolt in the outlet of the water circuit in the pillow can be:

when the pump is launched, when your Moona starts. No worries, wait for a few moments to pass.
poor water circulation. Check that the hose connecting the bedside device to the pillow is well connected and not pinched/twisted.
too far between the pillow and the bedside device (the pillow is too high compared to the device): the pump of your Moona can no longer raise the water to the system. You need to over-raise the bedside device to reduce the distance pillow/bedside device and allow proper functioning of the water circuit.

#noise #contraction #movement #pillow
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