When you lose health and have the 'instant health effect'

When you lose health and have he instant health effect, you 'die' but don't die so your screen goes sideways.
Steps:
1. type in a command for an extended instant health. (Ex.: /effect @p minecraft:instant_health 999999 4)
2.give yourself an equipment that gives you player extra health. (Ex.: /give @p diamond_helmet 1 0 {AttributeModifiers:[{AttributeName:"generic.maxHealth",Name:"generic.maxHealth",Amount:9999999,Operation:0,UUIDMost:35617,UUIDLeast:83126}]} )
3.go into your inventory.
4. repeatedly take off and put on the equipment
5.you should now be sideways in your inventory.