eReaders are lighter than books. Most have e-Ink screens which are easier on the eyes than LCD screens, thus better option for late-night reading.
Kindle Paperwhite | 8 GB, now with a 6.8" display and adjustable warm light | Without ads | Black
£139.99
Amazon.co.uk
Kobo Libra 2 | eReader | 7” Waterproof Touchscreen| Glare-Free | Adjustable Brightness and Color Temperature | Blue Light Reduction | eBooks | WIFI | 32 GB...
Amazon.co.uk
Kobo Nia | eReader | 6” Glare Free Touchscreen | Adjustable Brightness | Thin & Light | eBooks | WIFI | 8GB of Storage | Carta E Ink Technology | Black
£139.99
Amazon.co.uk