Sunlight

every 2 seconds:
    loop players:
        loop-player has permission "skript.sunlight"
        sky light level at loop-player is greater than or equal to 11
        time in "world" is day:
            damage the loop-player by 1 hearts
        sky light level at loop-player is greater than or equal to 14
        time in "world" is day:
            damage the loop-player by 1.5 hearts