I thought daydream was a screensaver; perhaps I'm mistaken. But I've tried it several times and my phone's battery charges, but runs hot. Within 30 minutes or so its up to between 100 and 104 and the phone is very warm to the touch. I can't see the wallpaper and the moving display time and temp; I have to manually shut the screen down or change daydream back to active display. I'm not sure what the point of a screensaver is if you can't run it. I thought it was about being able to see your wallpaper and at the same time charge. Is it my phone? Because I can't believe it, but I plugged my phone into the charger about 30 minutes ago and haven't used it until this post. And now its running hot. Well, maybe it's my phone but this is the first time its running hot. This phone is less than 1 month old. Now, I'm totally confused. Sheesh! I apologize for my subject line since now I don't know if it's daydream or my phone , but I'm still curious about Daydream.