What are good widgets for text notifications to use on my Xperia Z5 with the Sony Smart case?

[AC Question]

Xperia z5 smart case help please

Can anyone advise on a widget for text notifications to use with Sony Smart Case?
I am new to the z5 and find myself double tapping the window (surely, this isnt battery efficient) to see if i have any texts, as the notification light is annoyingly covered by the case . Any advice welcome .....!