New research reveals Kiwis check their devices for notifications up to 50 times per hour.

According to a survey by Kindle, 86 percent of respondents check through their notifications before they go to sleep - which has been found to contribute to increased stress levels and poor sleep quality.

Neuroscientist Dr Mark Williams says many people have also developed 'phantom buzz' syndrome as a result of always needing to be connected to their phones.

"Their brains are so wired to be constantly getting these notifications - that's what they're looking for all the time. They get these 'phantom buzzes' and they have trouble getting to sleep and doing things."

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