Sentence 1: Jenny was exhausted and went to bed early. 
 Sentence 3: She had dreamed of being chased 
 Sentence 4:  Jenny tried to relax 
 Sentence 5:  After tossing and turning she finally managed to sleep peacefully 
 Option 1: She woke up suddenly and was drenched in sweat and will never sleep peacefully. 
 Option 2: She woke up suddenly and was drenched in sweat.