OWL AND LARK QUESTIONNAIRE Reprinted from the book 'Wide Awake at 3:00 am. By Choice or by Chance ' by Richard M. Coleman. The questionnaire was adapted from an article entitled "A Self Assesment Questionnaire to Determine Morningness-Eveningness in Human Circadian Rhythms" by J. A. Horne and O. Ostberg. The original article appeared in International Journal of Chronobiology, Vol. 4, 97-110, (London: Gordon and Breach Publishers Ltd., 1976) Instructions: 1. Please read each question very carefully before answering. 2. Answer ALL questions. 3. Answer questions in numerical order. 4. Each question should be answered independently of others. Do NOT go back and check your answers. 5. All questions have a selection of answers. For each question choose one answer only. Some questions have a scale instead of a selection of answers. Note the time of the appropriate answer on the scale and select the corresponding number below the scale as your answer. Questions 1. Considering only your own "feeling best" rhythm, at what time would you get up if you were entirely free to plan your own day? 5 am 6:30 7:45 9:45 11:00 12 pm <--- 5 --> <---4 ---> <-------3-------> <----2---> <---1---> 2. Considering only your own "feeling best" rhythm, at what time would you go to bed if you were entirely free to plan your evening? 8 pm 9:00 10:15 12:30 am 1:45 3 am <---5---> <----4----> <--------3--------> <----2---><----1----> 3. If there is a time at which you have to get up in the morning, to what extent are you dependent on being woken up by an alarm clock? Not at all dependent -> 4 Slightly dependent -> 3 Fairly dependent -> 2 Very dependent -> 1 4. Assuming adequate enviromental conditions, how easy do you find getting up in the mornings? Not at all easy -> 1 Not very easy -> 2 Fairly easy -> 3 Very easy -> 4 5. How alert do you feel during the first half-hour after having woken in the morning? Not at all alert -> 1 Slightly alert -> 2 Fairly alert -> 3 Very alert -> 4 6. How is your appetite during the first half-hour after having woken in the morning? Very poor -> 1 Fairly poor -> 2 Fairly good -> 3 Very good -> 4 7. During the first half-hour after having woken in the morning, how tired do you feel? Very tired -> 1 Fairly tired -> 2 Fairly refreshed -> 3 Very refreshed -> 4 8. When you have no commitments the next day, at what time do you go to bed compared to your usual bedtime? Seldom or never later -> 4 Less than one hour later -> 3 1-2 hours later -> 2 More than two hours later -> 1 9. You have decided to engage in some physical excercise. A friend suggests that you do this one hour twice a week and the best time for him is between 7:00 - 8:00 am. Bearing in mind nothing else but your own "feeling best" rhythm how do you think you will perform? Would be in good form -> 4 Would be in reasonable form -> 3 Would find it difficult -> 2 Would find it very difficult -> 1 10. At what time do you feel tired and as a result in need of sleep? 8 pm 9:00 10:15 12:45 am 2:00 3 am <---5---> <----4----> <---------3---------> <----2--- > <---1---> 11. You wish to be at your peak performance for a test which you know is going to be mentally exhausting and lasting for two hours? You are entirely free to plan your day and considering only your own "feeling best" rhythm which ONE of the four testing times would you choose? 8:00 - 10:00 am. -> 4 11:00 am. - 1:00 pm. -> 3 3:00 - 5:00 pm. -> 2 7:00 - 9:00 pm. -> 1 12. If you went to bed at 11:00 pm. at what level of tiredness would you be? Not at all tired -> 0 A little tired -> 2 Fairly tired -> 3 Very tired -> 5 13. For some reason you have gone to bed several hours later than usual, but there is no need to get up at any particular time the next morning. Which ONE of the following events are you most likely to experience? Will wake up at usual time and will NOT fall asleep -> 4 Will wake up at usual time and will doze thereafter -> 3 Will wake up at usual time but will fall asleep again -> 2 Will NOT wake up until later than usual -> 1 14. One night you have to remain awake between 4:00 - 6:00 am. in order to carry out a night watch. You have no commitments the next day. Which ONE of the following alternatives will suit you best? Would NOT go to bed until watch was over -> 1 Would take a nap before and sleep after -> 2 Would take a good sleep before and nap after -> 3 Would take ALL sleep before watch -> 4 15.You have to do two hours of hard physical work. You are entirely free to plan your day and considering only your own "feeling best" rhythm which ONE of the following times would you choose? 8:00-10:00 am -> 4 11:00am -1:00pm -> 3 3:00-5:00pm -> 2 7:00-9:00pm -> 1 16. You have decided to engage in hard physical exercise. A friend suggests that you do this for one hour twice a week and the best time for him is between 10:00-11:00pm. Bearing in mind nothing else but your own "feeling best" rhythm how well do you think you would perform? Would be in good form. -> 1 Would be in reasonable form. -> 2 Would find it difficult. -> 3 Would find it very difficult. -> 4 17. Suppose that you can choose your own work hours. Assume that you worked a FIVE-hour day (including breaks) and that your job was interesting and paid by results. Which FIVE CONSECUTIVE HOURS would you select? 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 Midnight Noon Midnight <-----1-----> <----5---->4<-------3--------> <----2---> <----------1----------> 18. At what time of the day do you think that you reach your "feeling best" peak? 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 Midnight Noon Midnight <-----1-----> <---5--> <-4-> <----------3-----------> <------2------> <---1---> 19. One hears about "morning" and "evening" types of people. Which ONE of these types do you consider yourself to be? Definitely a "morning" type? -> 6 Rather more a "morning" than an "evening" type? -> 4 Rather more an "evening" than a "morning" type? -> 2 Definitely an "evening" type? -> 0 Scoring This Questionnaire The scores are added together and the sum converted into a five-point Morningness-Eveningness scale: Morning-Evening Scale Score Definitely Morning Type 70-86 Moderately Morning Type 59-69 Neither Type 42-58 Moderately EveningType 31-41 Definately Evening Type 16-30 X-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-X Another file downloaded from: NIRVANAnet(tm) & the Temple of the Screaming Electron Jeff Hunter 510-935-5845 Rat Head Ratsnatcher 510-524-3649 Burn This Flag Zardoz 408-363-9766 realitycheck Poindexter Fortran 415-567-7043 Lies Unlimited Mick Freen 415-583-4102 Specializing in conversations, obscure information, high explosives, arcane knowledge, political extremism, diversive sexuality, insane speculation, and wild rumours. ALL-TEXT BBS SYSTEMS. 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