I lay awake waiting until I judged it must be about two o'clock in the morning.
( I ( ( ( lay awake ) ( waiting ( until ( I ( judged ( it ( must ( ( be ( about ( two o'clock ) ) ) ( in ( the morning ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD lay) (ADJP (RB awake)) (S (VP (VBG waiting) (SBAR (IN until) (S (NP (PRP I)) (VP (VBD judged) (SBAR (S (NP (PRP it)) (VP (MD must) (VP (VB be) (PP (IN about) (NP (CD two) (RB o'clock))) (PP (IN in) (NP (DT the) (NN morning))))))))))))) (. .)))
I actually lay awake until two-fifteen in the morning. 
( I ( actually ( ( ( lay awake ) ( until ( two-fifteen ( in ( the morning ) ) ) ) ) . ) ) )
(ROOT (S (NP (PRP I)) (ADVP (RB actually)) (VP (VBD lay) (ADJP (RB awake)) (PP (IN until) (NP (NP (NN two-fifteen)) (PP (IN in) (NP (DT the) (NN morning)))))) (. .)))