I guess I lay there unconscious awhile.
( I ( ( guess ( I ( lay ( there ( unconscious awhile ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP guess) (S (NP (PRP I)) (VP (VB lay) (S (NP (EX there)) (ADJP (JJ unconscious)) (ADVP (RB awhile)))))) (. .)))
I lay awake for a long time.
( I ( ( ( lay awake ) ( for ( a ( long time ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD lay) (ADJP (RB awake)) (PP (IN for) (NP (DT a) (JJ long) (NN time)))) (. .)))