Try to avoid your phone after waking up for at least 30 minutes and also do not take the phone inside the bathroom as it increases malefic effects of Rahu. Instead chant positive affirmations in the morning
Some Vaastu tips for students face east, north, north east while studying. your head should be in east direction while sleeping, paint your east wall green & if not, then the study room should always be light in color like white, beige, off white etc.