Albrecht JN, Jaramillo V, Huber R, Karlen W, Baumann CR, Brotschi B. Technical Feasibility of Using Auditory Phase-Targeted Stimulation after Pediatric Severe Traumatic Brain Injury in an Intensive Care Setting. BMC Pediatrics. 2022; 22(1):616.      [DOI] 

Leach S, Chung K, Tüshaus L, Huber R, Karlen W. A Protocol for Comparing Dry and Wet EEG Electrodes During Sleep. Frontiers in Neuroscience. 2020; 14586.      [DOI]      [Datei] 

Schneider N, Ferster M, Lustenberger C, Schlegel J, Karlen W, Huber R, Maric A, Baumann CR. Can auditory slow wave stimulation during chronic sleep restriction intensify subjective recovery?. Journal of Sleep Research. 2020; 29225.

Sousouri G, Krugliakova E, Skorucak J, Leach S, Ferster M, Poian GD, Karlen W, Huber R. Changes in slow-wave traveling after phase targeted auditory stimulation of the up and down phase of sleep slow waves. Journal of Sleep Research. 2020; 29234.

Maeder T, Whitford J, Feinaigle P, Karlen W, Seifritz E, Pace-Schott EF, Kleim B. Investigating Pre-Sleep Processes and How They Influence Sleep: A Diary and Actigraphy Study. Sleep. 2020; 43(Supplement{\_}1):A211--A211.      [DOI]      [Datei] 

Krugliakova E, Skorucak J, Sousouri G, Leach S, Ferster L, Poian GD, Karlen W, Huber R. Mapping changes in delta band power following auditory stimulation targeting slow wave up-and down-phases: a source-localization study. Journal of Sleep Research. 2020; 29

Clark I, Stucky B, Azza Y, Müller S, Karlen W, Seifritz E, Kleim B. Shift work-related circadian disruption on diurnal rest-activity and sleep patterns in morning-and evening-type first responders under naturalistic conditions. Journal of Sleep Research. 2020; 29147.

Albrecht J, Altermatt S, Brotschi B, Baumann C, Ferster M, Karlen W, Huber R. Sleep after concussion: long-term monitoring in children and adolescents in a home-setting. Journal of Sleep Research. 2020; 29355.

Stucky B, Clark I, Azza Y, Müller S, Karlen W, Achermann P, Kleim B. Validation of a wearable heart rate and sleep tracker compared with polysomnography in police and rescue workers under natural conditions. Journal of Sleep Research. 2020; 2978.

Brogli L, Karlen W. A Review of Deep Learning for Automatic Sleep Stage Scoring. In: International Conference on Advanced Sleep Modulation Technologies. Monte Verita, Ascona, Switzerland: 2019.

Ferster ML, Lustenberger C, Karlen W. Configurable Mobile System for Autonomous High-Quality Sleep Monitoring and Closed-Loop Acoustic Stimulation. IEEE Sensors Letters. 2019; 3(5):1--4.      [DOI]      [Datei] 

Azza Y, Clark I, Müller S, Karlen W, Landolt H, Kleim B. Der Einfluss von Schlaf auf intrusive emotionale Erinnerungen bei Einsatzkräften. In: 11. Workshopkongress für Klinische Psychologie und Psychotherapie. 2019.

Lustenberger C, Ferster ML, Huwiler S, Karlen W. Effective long-term slow wave modulation in elderly using in-home , closed-loop auditory stimulation. In: International Conference on Advanced Sleep Modulation Technologies. Monte Verita, Ascona, Switzerland: 2019.

Azza Y, Grueschow M, Karlen W, Seifritz E, Kleim B. How stress affects sleep and mental health: Nocturnal heartrate increases during prolonged stress and interacts with childhood trauma exposure to predict anxiety. Sleep. 2019;      [DOI]      [Datei] 

Mäder T, Whitford J, Feinaigle P, Seifritz E, Karlen W, Kleim B. Kognitive und emotionale Prozesse vor dem Einschlafen und deren Einfluss auf den Schlaf: Eine Tagebuchstudie. In: 11. Workshopkongress für Klinische Psychologie und Psychotherapie. 2019.

Schneider N, Ferster M, Lustenberger C, Karlen W, Fehr E. Linking the change in decision-making after sleep restriction to the restorative function of sleep. In: International Conference on Advanced Sleep Modulation Technologies. Monte Verita, Ascona, Switzerland: 2019.

Huwiler S, Ferster ML, Karlen W, Lustenberger C. Slow wave enhancing auditory stimulation might not influence cognitive functions in elderly. In: International Conference on Advanced Sleep Modulation Technologies. Monte Verita, Ascona, Switzerland: 2019.

Maeder T, Whitford J, Feinaigle P, Karlen W, Kleim B. Investigating Pre-sleep Processes And How They Influence Sleep And Nightmares. Sleep. 2018; 41(suppl{\_}1):A372--A373.      [DOI]      [Datei] 

Ferster ML, Lustenberger C, Karlen W. Prototype development for mobile and automated auditory sleep stimulation. In: 1st International Symposium of the CRPP Sleep & Health, Zurich. Zurich: 2018. p. 1.

Garde A, Dehkordi P, Karlen W, Wensley D, Ansermino JM, Dumont GA. Development of a screening tool for sleep disordered breathing in children using the phone oximeter™. PLoS ONE. 2014; 9(11):e112959.      [DOI]      [Datei] 

Dehkordi P, Garde A, Karlen W, Wensley D, Ansermino JM, Dumont GA. Sleep Stage Classification in Children Using Photoplethysmogram Pulse Rate Variability. In: Computing in Cardiology (CinC). 2014. p. 297--300.

Garde A, Karlen W, Dehkordi P, Wensley D, Ansermino JM, Dumont GA. Analysis of Oxygen Saturation in Children with Obstructive Sleep Apnea Using the Phone-Oximeter. In: Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). Osaka: 2013. p. 2531--4.

Karlen W, Floreano D. SleepPic. Hardware Developments for a Wearable On-line Sleep and Wake Discrimination System. In: Babiloni, Fabio and Fred, Ana and Filipe, Joaquim and Gamboa, Hugo, editors. Proc. of the International Conference on Bio-inspired Systems and Signal Processing (BIOSIGNALS). Rome, Italy: SciTePress; 2011. p. 132--7.

Karlen W, Floreano D. Adaptive Sleep-Wake Discrimination for Wearable Devices. IEEE Transactions on Biomedical Engineering. 2010; 58(4):920--6.      [DOI]      [Datei] 

Karlen W. Adaptive Wake and Sleep Detection for Wearable Systems. Lausanne: Ecole Polytechnique Federale de Lausanne (EPFL); 2009.      [DOI]      [Datei]