1. Nokia sleep tracker (2018).
https://health.nokia.com/uk/en/sleep/
2. FitBit (2017).
https://www.fitbit.com
3. New technology tracks food intake by monitoring wrist movements.
http://gadgetsandwearables.com/2017/03/29/food-tracking/
(2017). Accessed 20 June 2019 10:48:03
4. Empatica wristband (2018).
https://www.empatica.com/en-gb/research/e4/
. Accessed 20 June 2019 10:48:03
5. Narrative clip (2017).
http://getnarrative.com/narrative-clip-1
. Accessed 1 Sept 2017