I will rise out of my bed to praise thee in a solemn manner; not being contented with those short ejaculations which he might have used lying in his bed. Thy righteous judgments, i.e. laws, which are so useful to direct and comfort me.
Related Commentaries of Psalms 119:62
Psalms 119:62
62 At midnight I will rise to give thanks unto thee because of thy righteous judgments.