How can I stop slouching while on my laptop?

Because of my new job, i am using my laptop far more often than before. Usually between 5-8 hours per day. Because i usually slouch while on it, my posture when standing is being effected. How can i correct this?

Thanks
 
You can purchase a special seat for you to sit in the almost forces your back to be straight by aligning your lower spine. The sad thing is though is that I do not know the name for it so you would have to look into it yourself.
 
Perhaps you can just lower your seat level so the screen is relatively higher.
 
strengthen your lower back muscles. Before I started working out often I slouched a ton, it also caused back pain. Pain free now though:p
 
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