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Objective: To better understand how sleep is associated with alcohol consumption among college students, the present study tested whether last night's sleep duration and current day fatigue were associated with being around others who were drinking that night and, if so, with alcohol consumption. Method: College student drinkers (N = 540; mean age = 18.78 years; 52% female; 86% White) reported daily for 30 days yearly for up to 4 years on aspects of their sleep, their own alcohol use, and the perceived drinking of others in an intensive longitudinal burst design. Results: Participants were less likely to report that they were with others who were drinking on evenings following higher than average sleep duration or greater than average daytime fatigue. In addition, experiencing greater than average daytime fatigue was associated with a lower likelihood of consuming any alcohol and lower levels of alcohol consumption at the daily level. Thus, daytime fatigue may be protective against alcohol consumption through both selection and behavior moderation. Conclusions: Results may be useful in the development of interventions to prevent heavy drinking among college students. [ABSTRACT FROM AUTHOR]

Objectives: We examined daily associations between drinking intentions and drinking behaviour and tested past drinking behaviour and current social environment as potential moderators of the daily intention‐behaviour association. We expected both more frequent past drinking and being in a high drinking environment to weaken the intention‐behaviour association. We also tested intentionality as a moderator of the association between alcohol consumption and next‐day negative outcomes, expecting that less intentional alcohol consumption would be related to greater stress and regret. Design: We tested these hypotheses using two separate micro‐longitudinal studies of college students (Ns = 1,641, 540). Methods: In two samples, participants completed bursts of data collection in which they indicated their previous alcohol consumption and then completed 30 days of diary surveys in which they reported their alcohol consumption and social environment the previous evening and their levels of stress, regret, and drinking intentions that day. Result: Consistent with our predictions, drinking intentions more strongly predicted drinking behaviour among individuals with less frequent past drinking behaviour, and, in Sample 1, drinking intentions more strongly predicted drinking behaviour among individuals in a low drinking environment. Contrary to hypotheses, results indicated that individuals with low drinking intentions were more likely to experience stress the next day, particularly if they consumed less alcohol. Greater consumption, however, was related to greater odds of experiencing regret, but this was stronger among individuals with higher drinking intentions. Conclusions: Findings are discussed in terms of the complex interplay between intentions and both social environment and contextual factors with respect to predicting drinking level and related problems. [ABSTRACT FROM AUTHOR]

In view of the importance of the need to belong in motivating behavior, we examined whether interpersonal and academic stress differentially influence social and solitary alcohol consumption and whether social and solitary alcohol consumption differentially predict next-day interpersonal and academic stress. Based on research suggesting that drinking with friends is related to increased alcohol consumption following belongingness threat, we also examined whether peer consumption moderates associations between daily interpersonal stress and social drinking. Each day for 30 days, 1641 undergraduates reported stress, alcohol consumption, and peer consumption. Academic stress was related to lower levels of social and solitary alcohol consumption. Interpersonal stress was associated with greater social alcohol consumption, but only when students reported being around others who were drinking greater than average peer quantities. However, although social drinking was related to lower next-day academic stress, it was unrelated to next-day interpersonal stress. Findings are consistent with the notion that individuals' perceptions of peers' alcohol use might serve as a signal to join in this behavior to reduce belongingness threats associated with interpersonal stressors, although this may not be an effective strategy. [ABSTRACT FROM AUTHOR]

• College students who meet a parent regularly consumed less alcohol over 30 days. • Students who meet a parent regularly had a lower percentage of drinking days. • On evenings college students met with a parent, they drank less alcohol. • Meeting with a parent attenuated social influences on alcohol consumption. Previous research suggests that, even in college, parents influence the alcohol consumption of their children directly and indirectly through peers. However, research has not tested whether face-to-face interactions with parents buffer students against social influences on drinking. In the current study, 1168 undergraduate students selected 5 people they contact regularly and then completed a 30-day daily diary reporting on interactions with those people and drinking behavior. The 401 students who selected a parent drank less and less often than those who did not select a parent as a frequent contact. In addition, on evenings when these students had met with their parents, they drank less alcohol and the association between others' drinking and participant drinking was weakened. This adds to evidence suggesting that parents continue to influence emerging adults after they have left home and may be helpful in informing future intervention efforts. [ABSTRACT FROM AUTHOR]