Mae'r cynnwys hwn ar gael yn Saesneg yn unig.
BBC Online – http://www.bbc.co.uk/news/education-34201905
ITV News – http://www.itv.com/news/wales/2015-09-15/fifth-of-teenagers-wake-up-to-use-social-media-during-the-night/
The Telegraph – http://www.telegraph.co.uk/news/health/news/11865757/One-in-five-teens-wake-up-at-night-to-use-social-media.html
The Guardian – https://www.theguardian.com/education/2015/sep/15/fifth-of-secondary-school-pupils-wake-almost-every-night-to-use-social-media
Wales Online – https://www.walesonline.co.uk/news/education/social-media-keeping-your-kids-10055550?service=responsive
Daily Mail – http://www.dailymail.co.uk/news/article-3234568/Teens-wake-night-tweet-One-five-uses-social-networks-early-hours-leading-lower-being.html
Daily Mirror – https://www.mirror.co.uk/news/uk-news/shocking-study-finds-1-5-6442164#ICID=sharebar_twitter
Yahoo! News – https://uk.yahoo.com/?err=404&err_url=https%3a%2f%2fuk.news.yahoo.com%2fschoolchildren-tired-class-waking-look-social-media-125527778.html
Belfast telegraph – https://www.belfasttelegraph.co.uk/news/northern-ireland/schoolchildren-tired-in-class-after-waking-up-to-look-at-social-media-31527638.html
Irish News – http://www.irishnews.com/news/educationnews/2015/09/15/news/facebook-making-children-tired-in-class–262572/
BT.com – http://home.bt.com/tech-gadgets/tech-news/schoolchildren-tired-in-class-after-waking-up-to-look-at-social-media-11364003878206
The Daily Star – http://www.thedailystar.net/shout/social-media/waking-social-media-leaves-pupils-always-tired-143491
Health canal – https://www.healthcanal.com/disorders-conditions/sleep/66946-want-to-get-a-good-nights-sleep-kids.html