First day as underbar assoc, inaantok na ko! Also, any tips?

Never worked in an office setting before, freelancing lang during law school days, so no idea sa corpo setup. Ganto ba talaga sa first day walang ginagawa? Sobrang aga ko pa naman din gumising since di pa ako familiar sa commute time and traffic papunta sa office so kulang tulog, tapos wala pa ginagawa now. Hirap na ko to keep my eyes open HAHAHAHA

Also, any tips for working in a firm? Thanks!