Quote:
Originally Posted by NightGoat
Seriously, I've read somewhere about LCDs stimulating the pineal gland making it difficult to sleep up until an hour or so after gazing at one. But I believe it's just a theory.
|
The good controlled data I've seen so far is that there is significant melatonin suppression after two full hours of staring at an iPad at full brightness before bed. Which no-one in their right mind ever does. No statistically significant suppression after one hour, even at full brightness. This doesn't mean that individuals who are particularly sensitive won't have effects at one hour, or that there may be other mechanisms.
I know that my Glo emits a lot less light than my iPad, even when I dial brightness way down on the iPad. Night mode may make the difference for some, but I (like many others) can't read light-on-dark text well. Perhaps more importantly, the Glo is a lot, lot less blue than any LCD screen I have.