Viking Explorations and Settlements: Iceland, Greenland and Vinland. When the Vikings burst out of their homelands starting in the 8th century, they raided, fought and settled in many parts of Europe and Russia, but they also took off on voyages of discovery across the Atlantic Ocean.
The correct answer to this open question is the following.
Although the question doesn't include any options, we can say the following.
During subjective data collection, Martha states that recently she has started sleeping in a reclining chair as she has difficulty breathing when lying down. The term used for this condition is paroxysmal nocturnal dyspnea.
And this condition documented after studying many patients that present breathing difficulties while they try to sleep at night. The patients present abnormal conditions and difficulties when they lye on bed and they try to rest. According to studies, medical doctors have found that these patients suddenly wake up in the night because they feel short of breath, they start to suffocate, get scared, and wake up.
