World Sleep Day, which falls on Wednesday, is themed as a day for "regular work, rest and healthy sleep" in China this year, the Chinese Sleep Research Society announced Saturday.

More than 50 million people in China have sleep disorders and 56 percent of Chinese internet users have problems with the quality of their sleep, with symptoms including abundance of dreams, continuously exhausted sleep and waking up with a muddled mind in the morning, Han Fang, president of the Chinese Sleep Research Society, said according to a report by rmlt.com.cn.

For people suffering from sleep deprivation, using technology as a sleep aid may be one choice. Let's take a look at the tech gadgets aiming to help people sleep sound.